Notice of Expiration of Patents
                     Due to Failure to Pay Maintenance Fee

   35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required
maintenance fee and any applicable surcharge are not paid in a patent
requiring such payment, the patent will expire at the end of the 4th, 8th
or 12th anniversary of the grant of the patent depending on the first
maintenance fee which was not paid.
   According to the records of the Office, the patents listed below have
expired due to failure to pay the required maintenance fee and any
applicable surcharge.

                     PATENTS WHICH EXPIRED ON May 9, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

4,827,538                       07/011,167                       05/09/89
4,827,539                       07/140,571                       05/09/89
4,827,550                       07/191,859                       05/09/89
4,827,553                       07/010,412                       05/09/89
4,827,554                       07/171,591                       05/09/89
4,827,559                       06/753,747                       05/09/89
4,827,562                       07/179,768                       05/09/89
4,827,570                       07/147,703                       05/09/89
4,827,578                       06/817,420                       05/09/89
4,827,594                       07/044,255                       05/09/89
4,827,599                       07/234,884                       05/09/89
4,827,605                       07/219,458                       05/09/89
4,827,621                       07/074,297                       05/09/89
4,827,627                       07/158,496                       05/09/89
4,827,631                       07/208,587                       05/09/89
4,827,641                       07/049,964                       05/09/89
4,827,642                       06/764,937                       05/09/89
4,827,643                       06/805,846                       05/09/89
4,827,670                       07/232,677                       05/09/89
4,827,675                       07/071,700                       05/09/89
4,827,678                       07/182,771                       05/09/89
4,827,679                       07/124,895                       05/09/89
4,827,680                       07/139,574                       05/09/89
4,827,691                       07/138,589                       05/09/89
4,827,692                       07/113,320                       05/09/89
4,827,693                       07/073,018                       05/09/89
4,827,697                       07/142,732                       05/09/89
4,827,707                       07/136,717                       05/09/89
4,827,714                       07/174,957                       05/09/89
4,827,716                       07/133,492                       05/09/89
4,827,723                       07/157,015                       05/09/89
4,827,728                       07/170,513                       05/09/89
4,827,736                       07/215,531                       05/09/89
4,827,737                       07/234,408                       05/09/89
4,827,753                       07/005,213                       05/09/89
4,827,754                       07/225,577                       05/09/89
4,827,756                       07/190,042                       05/09/89
4,827,762                       07/065,164                       05/09/89
4,827,774                       07/087,763                       05/09/89
4,827,798                       07/058,358                       05/09/89
4,827,807                       06/427,054                       05/09/89
4,827,808                       06/912,442                       05/09/89
4,827,815                       07/174,771                       05/09/89
4,827,816                       07/107,834                       05/09/89
4,827,821                       06/928,835                       05/09/89
4,827,835                       07/192,229                       05/09/89
4,827,839                       07/105,033                       05/09/89
4,827,849                       07/143,359                       05/09/89
4,827,851                       07/181,722                       05/09/89
4,827,853                       07/171,970                       05/09/89
4,827,857                       07/238,742                       05/09/89
4,827,862                       07/078,128                       05/09/89
4,827,867                       06/933,393                       05/09/89
4,827,877                       07/168,794                       05/09/89
4,827,880                       07/097,515                       05/09/89
4,827,885                       07/146,083                       05/09/89
4,827,897                       07/097,659                       05/09/89
4,827,912                       07/098,268                       05/09/89
4,827,922                       07/163,517                       05/09/89
4,827,926                       07/068,263                       05/09/89
4,827,936                       06/863,181                       05/09/89
4,827,943                       07/109,261                       05/09/89
4,827,947                       07/158,306                       05/09/89
4,827,948                       07/127,243                       05/09/89
4,827,950                       06/891,073                       05/09/89
4,827,959                       07/188,801                       05/09/89
4,827,970                       07/108,477                       05/09/89
4,827,974                       07/239,942                       05/09/89
4,827,976                       07/157,629                       05/09/89
4,827,980                       07/003,314                       05/09/89
4,827,991                       06/924,076                       05/09/89
4,827,993                       07/100,564                       05/09/89
4,827,994                       07/097,473                       05/09/89
4,828,000                       07/107,991                       05/09/89
4,828,001                       06/892,850                       05/09/89
4,828,010                       07/164,251                       05/09/89
4,828,013                       07/104,863                       05/09/89
4,828,014                       07/065,042                       05/09/89
4,828,029                       07/132,148                       05/09/89
4,828,031                       07/107,323                       05/09/89
4,828,034                       07/085,999                       05/09/89
4,828,052                       07/208,540                       05/09/89
4,828,057                       07/141,213                       05/09/89
4,828,060                       07/160,825                       05/09/89
4,828,066                       07/104,104                       05/09/89
4,828,071                       06/833,166                       05/09/89
4,828,075                       07/199,166                       05/09/89
4,828,078                       07/209,469                       05/09/89
4,828,087                       07/089,024                       05/09/89
4,828,090                       07/031,705                       05/09/89
4,828,094                       07/032,455                       05/09/89
4,828,097                       07/154,870                       05/09/89
4,828,100                       06/836,333                       05/09/89
4,828,104                       07/279,462                       05/09/89
4,828,107                       07/224,292                       05/09/89
4,828,127                       07/160,516                       05/09/89
4,828,135                       07/083,471                       05/09/89
4,828,136                       07/178,054                       05/09/89
4,828,138                       07/207,332                       05/09/89
4,828,141                       07/208,369                       05/09/89
4,828,144                       07/182,942                       05/09/89
4,828,147                       07/125,322                       05/09/89
4,828,159                       07/159,194                       05/09/89
4,828,165                       07/164,851                       05/09/89
4,828,175                       07/151,858                       05/09/89
4,828,184                       07/231,365                       05/09/89
4,828,189                       07/216,062                       05/09/89
4,828,192                       07/145,346                       05/09/89
4,828,194                       07/131,008                       05/09/89
4,828,211                       07/187,506                       05/09/89
4,828,215                       07/202,187                       05/09/89
4,828,216                       07/067,102                       05/09/89
4,828,236                       07/149,302                       05/09/89
4,828,242                       07/060,764                       05/09/89
4,828,274                       07/133,847                       05/09/89
4,828,277                       07/001,578                       05/09/89
4,828,283                       06/929,424                       05/09/89
4,828,288                       07/118,991                       05/09/89
4,828,292                       07/139,911                       05/09/89
4,828,299                       07/033,405                       05/09/89
4,828,303                       07/135,044                       05/09/89
4,828,304                       07/092,973                       05/09/89
4,828,309                       07/182,360                       05/09/89
4,828,311                       07/122,899                       05/09/89
4,828,332                       07/163,445                       05/09/89
4,828,347                       07/037,310                       05/09/89
4,828,353                       07/071,667                       05/09/89
4,828,378                       07/096,937                       05/09/89
4,828,380                       07/049,705                       05/09/89
4,828,390                       07/017,594                       05/09/89
4,828,400                       07/204,052                       05/09/89
4,828,407                       07/055,734                       05/09/89
4,828,414                       07/171,144                       05/09/89
4,828,416                       07/037,137                       05/09/89
4,828,436                       07/102,038                       05/09/89
4,828,437                       07/061,523                       05/09/89
4,828,439                       07/049,858                       05/09/89
4,828,444                       07/083,731                       05/09/89
4,828,455                       06/559,253                       05/09/89
4,828,456                       07/163,446                       05/09/89
4,828,465                       07/074,805                       05/09/89
4,828,466                       07/137,432                       05/09/89
4,828,473                       07/131,048                       05/09/89
4,828,476                       07/180,972                       05/09/89
4,828,478                       07/139,813                       05/09/89
4,828,494                       06/921,249                       05/09/89
4,828,509                       07/114,279                       05/09/89
4,828,510                       07/188,563                       05/09/89
4,828,512                       06/911,962                       05/09/89
4,828,530                       07/102,734                       05/09/89
4,828,536                       07/203,113                       05/09/89
4,828,563                       07/085,228                       05/09/89
4,828,610                       07/050,370                       05/09/89
4,828,612                       07/129,565                       05/09/89
4,828,628                       07/059,264                       05/09/89
4,828,632                       07/058,494                       05/09/89
4,828,638                       07/065,787                       05/09/89
4,828,644                       07/061,197                       05/09/89
4,828,650                       07/102,710                       05/09/89
4,828,653                       07/133,548                       05/09/89
4,828,663                       07/003,530                       05/09/89
4,828,669                       07/187,152                       05/09/89
4,828,671                       07/175,433                       05/09/89
4,828,672                       07/175,434                       05/09/89
4,828,686                       07/058,909                       05/09/89
4,828,688                       07/047,356                       05/09/89
4,828,689                       07/164,095                       05/09/89
4,828,696                       07/033,464                       05/09/89
4,828,701                       07/128,959                       05/09/89
4,828,707                       07/110,167                       05/09/89
4,828,711                       07/090,250                       05/09/89
4,828,713                       07/168,288                       05/09/89
4,828,715                       07/171,386                       05/09/89
4,828,716                       07/033,769                       05/09/89
4,828,720                       07/013,340                       05/09/89
4,828,722                       07/106,978                       05/09/89
4,828,730                       07/124,211                       05/09/89
4,828,731                       07/261,921                       05/09/89
4,828,732                       07/185,619                       05/09/89
4,828,733                       07/120,682                       05/09/89
4,828,734                       07/054,121                       05/09/89
4,828,735                       07/117,903                       05/09/89
4,828,738                       07/122,231                       05/09/89
4,828,744                       06/935,484                       05/09/89
4,828,745                       06/931,502                       05/09/89
4,828,747                       07/173,329                       05/09/89
4,828,748                       07/069,466                       05/09/89
4,828,751                       07/090,661                       05/09/89
4,828,759                       07/019,799                       05/09/89
4,828,761                       07/188,325                       05/09/89
4,828,783                       07/010,944                       05/09/89
4,828,791                       07/104,748                       05/09/89
4,828,792                       06/895,101                       05/09/89
4,828,798                       07/117,179                       05/09/89
4,828,802                       06/410,725                       05/09/89
4,828,811                       07/078,608                       05/09/89
4,828,813                       07/054,110                       05/09/89
4,828,848                       07/008,547                       05/09/89
4,828,854                       07/025,483                       05/09/89
4,828,855                       07/051,770                       05/09/89
4,828,866                       07/220,283                       05/09/89
4,828,872                       06/906,225                       05/09/89
4,828,879                       07/079,384                       05/09/89
4,828,883                       07/041,200                       05/09/89
4,828,895                       07/170,322                       05/09/89
4,828,900                       07/137,227                       05/09/89
4,828,902                       07/058,565                       05/09/89
4,828,908                       07/187,955                       05/09/89
4,828,915                       06/667,939                       05/09/89
4,828,921                       07/121,435                       05/09/89
4,828,928                       06/943,514                       05/09/89
4,828,934                       06/941,185                       05/09/89
4,828,937                       07/008,236                       05/09/89
4,828,953                       07/058,266                       05/09/89
4,828,959                       07/053,011                       05/09/89
4,828,964                       07/093,360                       05/09/89
4,828,966                       07/128,947                       05/09/89
4,828,975                       07/146,542                       05/09/89
4,828,982                       06/737,777                       05/09/89
4,828,997                       06/900,418                       05/09/89
4,829,004                       07/124,699                       05/09/89
4,829,006                       07/150,630                       05/09/89
4,829,013                       07/079,468                       05/09/89
4,829,023                       07/126,501                       05/09/89
4,829,024                       07/239,919                       05/09/89
4,829,030                       07/125,711                       05/09/89
4,829,040                       07/064,213                       05/09/89
4,829,042                       07/175,618                       05/09/89
4,829,043                       07/134,150                       05/09/89
4,829,054                       07/037,675                       05/09/89
4,829,055                       07/006,478                       05/09/89
4,829,057                       07/196,762                       05/09/89
4,829,059                       07/019,338                       05/09/89
4,829,060                       06/832,604                       05/09/89
4,829,064                       07/059,635                       05/09/89
4,829,065                       07/042,181                       05/09/89
4,829,068                       07/027,241                       05/09/89
4,829,069                       07/175,518                       05/09/89
4,829,071                       07/158,465                       05/09/89
4,829,083                       07/038,315                       05/09/89
4,829,084                       07/226,599                       05/09/89
4,829,090                       07/090,686                       05/09/89
4,829,105                       07/149,299                       05/09/89
4,829,114                       07/114,734                       05/09/89
4,829,122                       07/019,902                       05/09/89
4,829,124                       07/161,516                       05/09/89
4,829,136                       07/194,056                       05/09/89
4,829,150                       07/159,952                       05/09/89
4,829,151                       07/083,755                       05/09/89
4,829,153                       07/068,698                       05/09/89
4,829,154                       07/108,445                       05/09/89
4,829,159                       06/927,788                       05/09/89
4,829,160                       06/245,541                       05/09/89
4,829,176                       06/872,949                       05/09/89
4,829,189                       07/071,889                       05/09/89
4,829,200                       07/108,225                       05/09/89
4,829,205                       07/128,719                       05/09/89
4,829,212                       07/188,243                       05/09/89
4,829,216                       07/194,643                       05/09/89
4,829,218                       07/129,475                       05/09/89
4,829,239                       07/137,535                       05/09/89
4,829,242                       07/129,495                       05/09/89
4,829,243                       07/157,780                       05/09/89
4,829,246                       07/016,900                       05/09/89
4,829,248                       06/652,867                       05/09/89
4,829,255                       07/053,458                       05/09/89
4,829,278                       07/227,577                       05/09/89
4,829,292                       06/869,869                       05/09/89
4,829,294                       07/065,609                       05/09/89
4,829,298                       07/048,317                       05/09/89
4,829,301                       07/120,556                       05/09/89
4,829,308                       06/785,362                       05/09/89
4,829,309                       07/081,440                       05/09/89
4,829,310                       06/393,043                       05/09/89
4,829,313                       06/851,163                       05/09/89
4,829,314                       06/939,602                       05/09/89
4,829,320                       07/198,013                       05/09/89
4,829,349                       06/509,321                       05/09/89
4,829,373                       07/081,130                       05/09/89
4,829,375                       06/902,467                       05/09/89
4,829,382                       07/131,816                       05/09/89
4,829,383                       07/176,778                       05/09/89
4,829,392                       07/053,120                       05/09/89
4,829,393                       07/111,516                       05/09/89
4,829,415                       07/155,449                       05/09/89
4,829,429                       07/163,524                       05/09/89
4,829,438                       07/057,086                       05/09/89
4,829,440                       06/753,844                       05/09/89
4,829,450                       06/834,535                       05/09/89
4,829,454                       07/046,919                       05/09/89
4,829,455                       07/030,881                       05/09/89
4,829,456                       06/869,988                       05/09/89
4,829,460                       07/108,214                       05/09/89
4,829,462                       06/873,910                       05/09/89
4,829,474                       07/048,670                       05/09/89
4,829,479                       07/108,623                       05/09/89
4,829,504                       07/106,789                       05/09/89
4,829,517                       07/085,503                       05/09/89
4,829,546                       07/063,446                       05/09/89
4,829,548                       06/621,412                       05/09/89
4,829,549                       07/143,681                       05/09/89
4,829,558                       07/145,078                       05/09/89
4,829,562                       07/092,066                       05/09/89
4,829,566                       07/040,383                       05/09/89
4,829,573                       06/938,149                       05/09/89
4,829,577                       07/025,257                       05/09/89
4,829,584                       06/840,999                       05/09/89
4,829,585                       07/045,400                       05/09/89
4,829,586                       07/016,654                       05/09/89
4,829,589                       07/056,775                       05/09/89
4,829,594                       06/910,590                       05/09/89

                     PATENTS WHICH EXPIRED ON May 4, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,206,963                       07/530,825                       05/04/93
5,206,971                       07/806,200                       05/04/93
5,206,974                       07/749,871                       05/04/93
5,206,980                       07/864,842                       05/04/93
5,206,997                       07/871,038                       05/04/93
5,207,001                       07/688,618                       05/04/93
5,207,007                       07/797,373                       05/04/93
5,207,014                       07/930,368                       05/04/93
5,207,023                       07/660,413                       05/04/93
5,207,024                       07/815,075                       05/04/93
5,207,033                       07/824,400                       05/04/93
5,207,036                       07/839,743                       05/04/93
5,207,039                       07/795,946                       05/04/93
5,207,050                       07/820,846                       05/04/93
5,207,059                       07/821,098                       05/04/93
5,207,071                       07/872,972                       05/04/93
5,207,077                       07/846,917                       05/04/93
5,207,079                       07/536,675                       05/04/93
5,207,081                       07/794,481                       05/04/93
5,207,084                       07/762,542                       05/04/93
5,207,118                       07/763,244                       05/04/93
5,207,120                       07/902,439                       05/04/93
5,207,125                       07/754,628                       05/04/93
5,207,139                       07/797,499                       05/04/93
5,207,150                       07/886,598                       05/04/93
5,207,158                       07/656,646                       05/04/93
5,207,162                       07/869,808                       05/04/93
5,207,165                       07/842,064                       05/04/93
5,207,194                       07/781,872                       05/04/93
5,207,195                       07/921,202                       05/04/93
5,207,201                       07/836,262                       05/04/93
5,207,202                       07/686,786                       05/04/93
5,207,204                       07/942,839                       05/04/93
5,207,207                       07/404,839                       05/04/93
5,207,210                       07/853,592                       05/04/93
5,207,216                       07/957,360                       05/04/93
5,207,226                       07/646,110                       05/04/93
5,207,227                       07/701,353                       05/04/93
5,207,237                       07/954,978                       05/04/93
5,207,238                       07/790,827                       05/04/93
5,207,240                       07/946,265                       05/04/93
5,207,247                       07/696,048                       05/04/93
5,207,251                       07/622,763                       05/04/93
5,207,261                       07/832,969                       05/04/93
5,207,268                       07/902,658                       05/04/93
5,207,276                       07/831,266                       05/04/93
5,207,277                       07/860,791                       05/04/93
5,207,278                       07/867,486                       05/04/93
5,207,281                       07/826,917                       05/04/93
5,207,283                       07/844,046                       05/04/93
5,207,287                       07/708,499                       05/04/93
5,207,288                       07/645,582                       05/04/93
5,207,292                       07/827,162                       05/04/93
5,207,295                       07/771,020                       05/04/93
5,207,298                       07/840,424                       05/04/93
5,207,304                       07/801,743                       05/04/93
5,207,308                       07/885,325                       05/04/93
5,207,314                       07/944,180                       05/04/93
5,207,315                       07/776,184                       05/04/93
5,207,320                       07/776,401                       05/04/93
5,207,325                       07/879,091                       05/04/93
5,207,326                       07/944,814                       05/04/93
5,207,330                       07/786,773                       05/04/93
5,207,335                       07/889,811                       05/04/93
5,207,347                       07/864,033                       05/04/93
5,207,358                       07/677,920                       05/04/93
5,207,359                       07/840,764                       05/04/93
5,207,364                       07/928,792                       05/04/93
5,207,371                       07/737,229                       05/04/93
5,207,372                       07/763,734                       05/04/93
5,207,380                       07/841,427                       05/04/93
5,207,381                       07/569,957                       05/04/93
5,207,387                       07/736,990                       05/04/93
5,207,390                       07/746,408                       05/04/93
5,207,393                       07/747,328                       05/04/93
5,207,395                       07/690,638                       05/04/93
5,207,397                       07/535,736                       05/04/93
5,207,398                       07/785,815                       05/04/93
5,207,405                       07/737,060                       05/04/93
5,207,413                       07/838,597                       05/04/93
5,207,423                       07/737,292                       05/04/93
5,207,424                       07/897,833                       05/04/93
5,207,429                       07/901,726                       05/04/93
5,207,438                       07/923,522                       05/04/93
5,207,442                       07/677,351                       05/04/93
5,207,443                       07/602,268                       05/04/93
5,207,448                       07/858,121                       05/04/93
5,207,451                       07/709,560                       05/04/93
5,207,455                       07/789,845                       05/04/93
5,207,465                       07/781,310                       05/04/93
5,207,467                       07/945,831                       05/04/93
5,207,471                       07/855,748                       05/04/93
5,207,478                       07/662,163                       05/04/93
5,207,481                       07/858,325                       05/04/93
5,207,484                       07/549,010                       05/04/93
5,207,485                       07/674,114                       05/04/93
5,207,497                       07/871,235                       05/04/93
5,207,503                       07/831,416                       05/04/93
5,207,506                       07/661,540                       05/04/93
5,207,512                       07/880,150                       05/04/93
5,207,518                       07/678,565                       05/04/93
5,207,533                       07/645,207                       05/04/93
5,207,539                       07/594,251                       05/04/93
5,207,542                       07/752,373                       05/04/93
5,207,545                       07/860,612                       05/04/93
5,207,547                       07/512,962                       05/04/93
5,207,553                       07/841,983                       05/04/93
5,207,554                       07/546,661                       05/04/93
5,207,560                       07/754,560                       05/04/93
5,207,562                       07/876,955                       05/04/93
5,207,567                       07/944,614                       05/04/93
5,207,569                       07/868,429                       05/04/93
5,207,572                       07/886,836                       05/04/93
5,207,574                       07/620,706                       05/04/93
5,207,579                       07/708,253                       05/04/93
5,207,582                       07/829,693                       05/04/93
5,207,593                       07/931,885                       05/04/93
5,207,599                       07/904,691                       05/04/93
5,207,600                       07/755,928                       05/04/93
5,207,601                       07/878,458                       05/04/93
5,207,604                       07/871,818                       05/04/93
5,207,614                       07/789,091                       05/04/93
5,207,624                       07/818,837                       05/04/93
5,207,627                       07/735,820                       05/04/93
5,207,652                       07/779,729                       05/04/93
5,207,662                       07/931,569                       05/04/93
5,207,674                       07/699,994                       05/04/93
5,207,692                       07/559,751                       05/04/93
5,207,703                       07/616,900                       05/04/93
5,207,706                       07/640,912                       05/04/93
5,207,710                       07/819,059                       05/04/93
5,207,715                       07/869,052                       05/04/93
5,207,723                       07/764,797                       05/04/93
5,207,725                       07/758,004                       05/04/93
5,207,727                       07/723,066                       05/04/93
5,207,728                       07/859,661                       05/04/93
5,207,733                       07/465,965                       05/04/93
5,207,734                       07/734,146                       05/04/93
5,207,741                       07/775,400                       05/04/93
5,207,743                       07/902,983                       05/04/93
5,207,744                       07/859,938                       05/04/93
5,207,751                       07/848,017                       05/04/93
5,207,761                       07/876,258                       05/04/93
5,207,766                       07/739,134                       05/04/93
5,207,767                       07/770,352                       05/04/93
5,207,770                       07/827,668                       05/04/93
5,207,777                       07/886,305                       05/04/93
5,207,779                       07/716,097                       05/04/93
5,207,789                       07/863,111                       05/04/93
5,207,790                       07/855,051                       05/04/93
5,207,791                       07/855,555                       05/04/93
5,207,795                       07/690,888                       05/04/93
5,207,799                       07/750,364                       05/04/93
5,207,805                       07/860,296                       05/04/93
5,207,806                       07/772,867                       05/04/93
5,207,816                       07/711,392                       05/04/93
5,207,818                       07/761,199                       05/04/93
5,207,822                       07/863,592                       05/04/93
5,207,839                       07/777,676                       05/04/93
5,207,842                       07/602,916                       05/04/93
5,207,854                       07/594,659                       05/04/93
5,207,861                       07/606,762                       05/04/93
5,207,874                       07/717,289                       05/04/93
5,207,876                       07/822,141                       05/04/93
5,207,877                       07/670,885                       05/04/93
5,207,878                       07/728,182                       05/04/93
5,207,882                       07/800,322                       05/04/93
5,207,889                       07/641,922                       05/04/93
5,207,891                       07/814,536                       05/04/93
5,207,893                       07/833,709                       05/04/93
5,207,914                       07/745,470                       05/04/93
5,207,917                       07/773,140                       05/04/93
5,207,919                       07/776,605                       05/04/93
5,207,920                       07/856,837                       05/04/93
5,207,922                       07/603,796                       05/04/93
5,207,928                       07/704,886                       05/04/93
5,207,933                       07/751,427                       05/04/93
5,207,939                       07/571,348                       05/04/93
5,207,940                       07/835,103                       05/04/93
5,207,941                       07/697,961                       05/04/93
5,207,944                       07/919,373                       05/04/93
5,207,946                       07/557,845                       05/04/93
5,207,951                       07/750,191                       05/04/93
5,207,955                       07/815,262                       05/04/93
5,207,956                       07/831,608                       05/04/93
5,207,964                       07/654,875                       05/04/93
5,207,969                       07/747,810                       05/04/93
5,207,971                       07/832,254                       05/04/93
5,207,973                       07/832,091                       05/04/93
5,207,978                       07/762,461                       05/04/93
5,207,985                       07/718,067                       05/04/93
5,207,987                       07/526,048                       05/04/93
5,207,992                       07/689,333                       05/04/93
5,207,994                       07/810,885                       05/04/93
5,207,997                       07/630,552                       05/04/93
5,208,003                       07/960,600                       05/04/93
5,208,007                       07/645,153                       05/04/93
5,208,008                       07/613,127                       05/04/93
5,208,009                       07/794,783                       05/04/93
5,208,010                       07/826,389                       05/04/93
5,208,012                       07/738,544                       05/04/93
5,208,014                       07/624,218                       05/04/93
5,208,016                       07/318,310                       05/04/93
5,208,018                       07/672,703                       05/04/93
5,208,023                       07/420,251                       05/04/93
5,208,028                       07/330,601                       05/04/93
5,208,034                       07/935,496                       05/04/93
5,208,039                       07/457,194                       05/04/93
5,208,044                       07/582,855                       05/04/93
5,208,051                       07/608,303                       05/04/93
5,208,061                       07/803,974                       05/04/93
5,208,064                       07/787,237                       05/04/93
5,208,065                       07/731,477                       05/04/93
5,208,066                       07/877,391                       05/04/93
5,208,068                       07/626,327                       05/04/93
5,208,075                       07/888,139                       05/04/93
5,208,084                       07/703,454                       05/04/93
5,208,085                       07/746,729                       05/04/93
5,208,086                       07/424,193                       05/04/93
5,208,091                       07/558,089                       05/04/93
5,208,099                       07/940,208                       05/04/93
5,208,108                       07/855,171                       05/04/93
5,208,110                       07/368,452                       05/04/93
5,208,113                       07/727,888                       05/04/93
5,208,115                       07/900,145                       05/04/93
5,208,118                       07/553,055                       05/04/93
5,208,134                       07/659,271                       05/04/93
5,208,136                       07/580,405                       05/04/93
5,208,137                       07/933,001                       05/04/93
5,208,142                       07/794,483                       05/04/93
5,208,153                       07/776,989                       05/04/93
5,208,166                       07/662,420                       05/04/93
5,208,185                       07/852,613                       05/04/93
5,208,207                       07/841,795                       05/04/93
5,208,211                       07/737,648                       05/04/93
5,208,214                       07/720,495                       05/04/93
5,208,216                       07/906,560                       05/04/93
5,208,217                       07/785,146                       05/04/93
5,208,220                       07/798,253                       05/04/93
5,208,223                       07/865,395                       05/04/93
5,208,228                       07/698,888                       05/04/93
5,208,232                       07/673,729                       05/04/93
5,208,238                       07/896,305                       05/04/93
5,208,241                       07/756,660                       05/04/93
5,208,247                       07/738,961                       05/04/93
5,208,248                       07/730,751                       05/04/93
5,208,264                       07/917,973                       05/04/93
5,208,265                       07/924,492                       05/04/93
5,208,266                       07/874,814                       05/04/93
5,208,267                       07/822,885                       05/04/93
5,208,274                       07/942,938                       05/04/93
5,208,277                       07/731,225                       05/04/93
5,208,278                       07/677,336                       05/04/93
5,208,281                       07/746,649                       05/04/93
5,208,288                       07/684,117                       05/04/93
5,208,291                       07/941,498                       05/04/93
5,208,294                       07/718,179                       05/04/93
5,208,295                       07/796,996                       05/04/93
5,208,296                       07/939,245                       05/04/93
5,208,299                       07/866,400                       05/04/93
5,208,300                       07/748,477                       05/04/93
5,208,306                       07/926,886                       05/04/93
5,208,308                       07/468,281                       05/04/93
5,208,311                       07/825,393                       05/04/93
5,208,312                       07/839,163                       05/04/93
5,208,313                       07/914,871                       05/04/93
5,208,315                       07/772,995                       05/04/93
5,208,316                       07/842,157                       05/04/93
5,208,331                       07/900,568                       05/04/93
5,208,334                       07/895,955                       05/04/93
5,208,342                       07/860,093                       05/04/93
5,208,348                       07/913,506                       05/04/93
5,208,353                       07/914,652                       05/04/93
5,208,354                       07/801,150                       05/04/93
5,208,355                       07/693,883                       05/04/93
5,208,359                       07/812,586                       05/04/93
5,208,360                       07/832,191                       05/04/93
5,208,363                       07/878,572                       05/04/93
5,208,369                       07/708,534                       05/04/93
5,208,371                       07/873,223                       05/04/93
5,208,374                       07/949,663                       05/04/93
5,208,378                       07/732,123                       05/04/93
5,208,387                       07/813,716                       05/04/93
5,208,391                       07/732,246                       05/04/93
5,208,399                       07/757,193                       05/04/93
5,208,401                       07/697,688                       05/04/93
5,208,404                       07/822,669                       05/04/93
5,208,406                       07/800,447                       05/04/93
5,208,417                       07/812,703                       05/04/93
5,208,421                       07/608,113                       05/04/93
5,208,423                       07/874,156                       05/04/93
5,208,425                       07/902,732                       05/04/93
5,208,434                       07/820,310                       05/04/93
5,208,436                       07/684,310                       05/04/93
5,208,438                       07/716,245                       05/04/93
5,208,440                       07/758,562                       05/04/93
5,208,447                       07/527,439                       05/04/93
5,208,459                       07/770,555                       05/04/93
5,208,460                       07/764,291                       05/04/93
5,208,465                       07/823,832                       05/04/93
5,208,477                       07/636,348                       05/04/93
5,208,478                       07/694,887                       05/04/93
5,208,483                       07/938,510                       05/04/93
5,208,484                       07/659,563                       05/04/93
5,208,487                       07/862,661                       05/04/93
5,208,491                       07/817,697                       05/04/93
5,208,496                       07/691,430                       05/04/93
5,208,498                       07/766,381                       05/04/93
5,208,503                       07/684,569                       05/04/93
5,208,506                       07/791,433                       05/04/93
5,208,509                       07/865,734                       05/04/93
5,208,511                       07/673,692                       05/04/93
5,208,516                       07/719,355                       05/04/93
5,208,519                       07/653,081                       05/04/93
5,208,523                       07/850,331                       05/04/93
5,208,526                       07/636,450                       05/04/93
5,208,528                       07/925,903                       05/04/93
5,208,532                       07/860,876                       05/04/93
5,208,538                       07/778,166                       05/04/93
5,208,569                       07/893,154                       05/04/93
5,208,579                       07/694,825                       05/04/93
5,208,588                       07/683,067                       05/04/93
5,208,595                       07/748,023                       05/04/93
5,208,596                       07/866,711                       05/04/93
5,208,606                       07/795,596                       05/04/93
5,208,607                       07/753,074                       05/04/93
5,208,615                       07/603,125                       05/04/93
5,208,617                       07/790,528                       05/04/93
5,208,619                       07/732,268                       05/04/93
5,208,635                       07/776,941                       05/04/93
5,208,642                       07/876,002                       05/04/93
5,208,644                       07/526,558                       05/04/93
5,208,650                       07/767,189                       05/04/93
5,208,651                       07/731,070                       05/04/93
5,208,654                       07/524,114                       05/04/93
5,208,668                       07/720,493                       05/04/93
5,208,671                       07/794,284                       05/04/93
5,208,674                       07/896,501                       05/04/93
5,208,684                       07/690,574                       05/04/93
5,208,685                       07/820,498                       05/04/93
5,208,689                       07/747,218                       05/04/93
5,208,696                       07/362,551                       05/04/93
5,208,700                       07/812,296                       05/04/93
5,208,713                       07/696,629                       05/04/93
5,208,716                       07/603,758                       05/04/93
5,208,718                       07/690,937                       05/04/93
5,208,724                       07/713,580                       05/04/93
5,208,728                       07/857,948                       05/04/93
5,208,733                       07/785,074                       05/04/93
5,208,734                       07/851,775                       05/04/93
5,208,735                       07/805,665                       05/04/93
5,208,740                       07/707,852                       05/04/93
5,208,743                       07/635,230                       05/04/93
5,208,746                       07/440,566                       05/04/93
5,208,757                       07/639,987                       05/04/93
5,208,763                       07/582,582                       05/04/93
5,208,767                       07/092,911                       05/04/93
5,208,769                       07/762,593                       05/04/93
5,208,772                       06/869,469                       05/04/93
5,208,774                       07/767,717                       05/04/93
5,208,784                       07/614,300                       05/04/93
5,208,787                       07/818,642                       05/04/93
5,208,788                       07/729,710                       05/04/93
5,208,808                       07/764,548                       05/04/93
5,208,812                       07/573,308                       05/04/93
5,208,827                       07/793,647                       05/04/93
5,208,835                       07/586,804                       05/04/93
5,208,842                       07/786,665                       05/04/93
5,208,845                       07/830,604                       05/04/93
5,208,849                       07/777,749                       05/04/93
5,208,850                       07/741,962                       05/04/93
5,208,856                       07/811,906                       05/04/93
5,208,858                       07/645,496                       05/04/93
5,208,869                       07/739,752                       05/04/93
5,208,877                       07/751,737                       05/04/93
5,208,890                       07/828,665                       05/04/93
5,208,895                       07/802,898                       05/04/93
5,208,899                       07/560,141                       05/04/93
5,208,908                       07/485,347                       05/04/93
5,208,909                       07/425,777                       05/04/93

                     PATENTS WHICH EXPIRED ON May 6, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,625,895                       08/592,853                       05/06/97
5,625,898                       08/557,747                       05/06/97
5,625,903                       08/607,218                       05/06/97
5,625,904                       08/556,851                       05/06/97
5,625,906                       08/500,707                       05/06/97
5,625,907                       08/440,098                       05/06/97
5,625,917                       08/614,314                       05/06/97
5,625,919                       08/520,254                       05/06/97
5,625,924                       08/508,704                       05/06/97
5,625,925                       08/589,197                       05/06/97
5,625,941                       08/441,404                       05/06/97
5,625,952                       08/433,450                       05/06/97
5,625,954                       08/533,587                       05/06/97
5,625,955                       08/449,002                       05/06/97
5,625,960                       08/342,703                       05/06/97
5,625,965                       08/490,194                       05/06/97
5,625,975                       08/494,683                       05/06/97
5,625,977                       08/539,081                       05/06/97
5,625,986                       08/305,151                       05/06/97
5,625,992                       08/404,815                       05/06/97
5,625,996                       08/519,790                       05/06/97
5,626,009                       08/329,947                       05/06/97
5,626,012                       08/638,831                       05/06/97
5,626,016                       08/329,718                       05/06/97
5,626,020                       08/437,430                       05/06/97
5,626,023                       08/389,480                       05/06/97
5,626,028                       08/196,413                       05/06/97
5,626,029                       08/540,124                       05/06/97
5,626,041                       08/442,659                       05/06/97
5,626,042                       08/439,889                       05/06/97
5,626,044                       08/445,431                       05/06/97
5,626,053                       08/648,592                       05/06/97
5,626,059                       08/560,723                       05/06/97
5,626,060                       08/670,444                       05/06/97
5,626,063                       08/598,342                       05/06/97
5,626,064                       08/483,319                       05/06/97
5,626,073                       08/655,622                       05/06/97
5,626,082                       08/559,759                       05/06/97
5,626,096                       08/518,827                       05/06/97
5,626,097                       08/542,972                       05/06/97
5,626,102                       08/615,809                       05/06/97
5,626,113                       08/551,797                       05/06/97
5,626,114                       08/566,721                       05/06/97
5,626,124                       08/643,383                       05/06/97
5,626,132                       08/564,647                       05/06/97
5,626,135                       08/420,418                       05/06/97
5,626,140                       08/551,522                       05/06/97
5,626,146                       08/454,137                       05/06/97
5,626,148                       08/167,792                       05/06/97
5,626,150                       08/675,647                       05/06/97
5,626,152                       08/386,668                       05/06/97
5,626,153                       08/409,601                       05/06/97
5,626,155                       08/391,727                       05/06/97
5,626,156                       08/427,127                       05/06/97
5,626,168                       08/371,920                       05/06/97
5,626,171                       08/424,617                       05/06/97
5,626,173                       08/262,253                       05/06/97
5,626,175                       08/415,417                       05/06/97
5,626,178                       08/544,152                       05/06/97
5,626,182                       08/528,417                       05/06/97
5,626,197                       08/585,625                       05/06/97
5,626,202                       08/474,344                       05/06/97
5,626,203                       08/551,707                       05/06/97
5,626,205                       08/342,108                       05/06/97
5,626,223                       08/673,585                       05/06/97
5,626,224                       08/566,927                       05/06/97
5,626,237                       08/344,822                       05/06/97
5,626,244                       08/411,266                       05/06/97
5,626,245                       08/378,282                       05/06/97
5,626,249                       08/249,153                       05/06/97
5,626,252                       08/656,813                       05/06/97
5,626,255                       08/352,860                       05/06/97
5,626,256                       08/506,842                       05/06/97
5,626,257                       08/555,320                       05/06/97
5,626,258                       08/522,072                       05/06/97
5,626,259                       08/558,885                       05/06/97
5,626,261                       08/548,232                       05/06/97
5,626,263                       08/667,720                       05/06/97
5,626,269                       08/567,657                       05/06/97
5,626,275                       08/602,032                       05/06/97
5,626,285                       08/439,320                       05/06/97
5,626,290                       08/520,068                       05/06/97
5,626,293                       08/443,778                       05/06/97
5,626,298                       08/546,492                       05/06/97
5,626,300                       08/434,017                       05/06/97
5,626,302                       08/519,970                       05/06/97
5,626,307                       08/246,620                       05/06/97
5,626,309                       08/544,997                       05/06/97
5,626,327                       08/430,203                       05/06/97
5,626,328                       08/346,768                       05/06/97
5,626,330                       08/533,437                       05/06/97
5,626,344                       08/500,008                       05/06/97
5,626,349                       08/445,830                       05/06/97
5,626,351                       08/491,588                       05/06/97
5,626,352                       08/518,045                       05/06/97
5,626,354                       08/444,032                       05/06/97
5,626,366                       08/490,072                       05/06/97
5,626,367                       08/275,263                       05/06/97
5,626,368                       08/590,582                       05/06/97
5,626,374                       08/622,224                       05/06/97
5,626,375                       08/571,033                       05/06/97
5,626,377                       08/647,673                       05/06/97
5,626,383                       08/365,718                       05/06/97
5,626,387                       08/394,807                       05/06/97
5,626,389                       08/379,658                       05/06/97
5,626,396                       08/597,797                       05/06/97
5,626,398                       08/583,594                       05/06/97
5,626,400                       08/142,295                       05/06/97
5,626,401                       08/243,973                       05/06/97
5,626,402                       08/492,697                       05/06/97
5,626,403                       08/436,335                       05/06/97
5,626,410                       08/530,856                       05/06/97
5,626,414                       08/631,192                       05/06/97
5,626,415                       08/491,294                       05/06/97
5,626,416                       08/350,094                       05/06/97
5,626,418                       08/632,112                       05/06/97
5,626,419                       08/351,575                       05/06/97
5,626,421                       08/654,078                       05/06/97
5,626,424                       08/278,310                       05/06/97
5,626,427                       08/305,097                       05/06/97
5,626,430                       08/237,552                       05/06/97
5,626,431                       08/592,334                       05/06/97
5,626,432                       08/600,453                       05/06/97
5,626,438                       08/621,903                       05/06/97
5,626,440                       08/389,493                       05/06/97
5,626,441                       08/499,741                       05/06/97
5,626,443                       08/613,451                       05/06/97
5,626,445                       08/376,150                       05/06/97
5,626,453                       08/406,963                       05/06/97
5,626,455                       08/600,647                       05/06/97
5,626,471                       08/240,279                       05/06/97
5,626,474                       08/495,360                       05/06/97
5,626,477                       08/535,470                       05/06/97
5,626,482                       08/356,420                       05/06/97
5,626,486                       08/402,081                       05/06/97
5,626,489                       08/421,335                       05/06/97
5,626,496                       08/414,208                       05/06/97
5,626,501                       08/598,613                       05/06/97
5,626,502                       08/659,870                       05/06/97
5,626,514                       08/617,643                       05/06/97
5,626,520                       08/490,542                       05/06/97
5,626,521                       08/115,010                       05/06/97
5,626,527                       08/572,290                       05/06/97
5,626,537                       08/155,793                       05/06/97
5,626,543                       08/627,890                       05/06/97
5,626,552                       08/464,865                       05/06/97
5,626,555                       08/312,582                       05/06/97
5,626,560                       08/558,930                       05/06/97
5,626,564                       08/414,298                       05/06/97
5,626,567                       08/493,387                       05/06/97
5,626,570                       08/661,626                       05/06/97
5,626,578                       08/437,020                       05/06/97
5,626,588                       08/433,592                       05/06/97
5,626,633                       08/566,317                       05/06/97
5,626,636                       08/527,710                       05/06/97
5,626,645                       08/534,438                       05/06/97
5,626,647                       08/483,747                       05/06/97
5,626,656                       08/653,920                       05/06/97
5,626,657                       08/701,427                       05/06/97
5,626,662                       08/421,196                       05/06/97
5,626,672                       08/256,857                       05/06/97
5,626,676                       08/570,123                       05/06/97
5,626,691                       08/526,096                       05/06/97
5,626,699                       08/567,737                       05/06/97
5,626,702                       08/638,010                       05/06/97
5,626,718                       08/307,969                       05/06/97
5,626,726                       08/534,602                       05/06/97
5,626,730                       08/442,768                       05/06/97
5,626,738                       08/560,341                       05/06/97
5,626,739                       08/360,781                       05/06/97
5,626,740                       08/587,249                       05/06/97
5,626,745                       08/566,372                       05/06/97
5,626,769                       08/285,698                       05/06/97
5,626,770                       08/509,998                       05/06/97
5,626,776                       08/463,918                       05/06/97
5,626,778                       08/465,688                       05/06/97
5,626,783                       08/307,883                       05/06/97
5,626,784                       08/414,898                       05/06/97
5,626,790                       08/213,339                       05/06/97
5,626,799                       08/586,710                       05/06/97
5,626,810                       08/209,439                       05/06/97
5,626,812                       08/465,427                       05/06/97
5,626,816                       08/511,617                       05/06/97
5,626,824                       08/565,258                       05/06/97
5,626,827                       08/456,307                       05/06/97
5,626,834                       07/921,109                       05/06/97
5,626,841                       08/254,922                       05/06/97
5,626,847                       07/634,089                       05/06/97
5,626,856                       08/497,454                       05/06/97
5,626,859                       08/438,648                       05/06/97
5,626,870                       08/556,849                       05/06/97
5,626,872                       08/353,777                       05/06/97
5,626,879                       08/537,538                       05/06/97
5,626,884                       08/516,737                       05/06/97
5,626,885                       08/542,000                       05/06/97
5,626,898                       08/546,927                       05/06/97
5,626,904                       08/295,800                       05/06/97
5,626,905                       08/450,677                       05/06/97
5,626,916                       08/594,848                       05/06/97
5,626,920                       08/427,975                       05/06/97
5,626,926                       08/321,913                       05/06/97
5,626,927                       08/517,898                       05/06/97
5,626,934                       08/546,388                       05/06/97
5,626,956                       08/174,136                       05/06/97
5,626,971                       08/427,268                       05/06/97
5,626,997                       08/396,729                       05/06/97
5,627,006                       08/425,220                       05/06/97
5,627,007                       08/544,661                       05/06/97
5,627,048                       08/334,669                       05/06/97
5,627,050                       08/445,586                       05/06/97
5,627,057                       08/611,700                       05/06/97
5,627,067                       08/462,370                       05/06/97
5,627,076                       08/555,682                       05/06/97
5,627,084                       08/181,907                       05/06/97
5,627,100                       08/524,907                       05/06/97
5,627,116                       08/718,887                       05/06/97
5,627,141                       08/446,347                       05/06/97
5,627,147                       08/622,249                       05/06/97
5,627,161                       08/027,547                       05/06/97
5,627,170                       08/465,360                       05/06/97
5,627,174                       08/447,871                       05/06/97
5,627,175                       08/446,716                       05/06/97
5,627,180                       08/500,989                       05/06/97
5,627,181                       08/503,369                       05/06/97
5,627,198                       08/567,057                       05/06/97
5,627,202                       08/600,794                       05/06/97
5,627,204                       08/465,950                       05/06/97
5,627,211                       08/397,234                       05/06/97
5,627,212                       08/254,766                       05/06/97
5,627,215                       08/505,329                       05/06/97
5,627,220                       08/493,409                       05/06/97
5,627,240                       08/579,257                       05/06/97
5,627,253                       08/579,508                       05/06/97
5,627,259                       08/563,518                       05/06/97
5,627,265                       08/347,000                       05/06/97
5,627,272                       08/301,099                       05/06/97
5,627,282                       08/582,497                       05/06/97
5,627,285                       08/524,279                       05/06/97
5,627,288                       08/613,868                       05/06/97
5,627,296                       08/559,269                       05/06/97
5,627,313                       08/491,867                       05/06/97
5,627,319                       08/599,802                       05/06/97
5,627,322                       08/457,530                       05/06/97
5,627,325                       08/488,599                       05/06/97
5,627,329                       08/527,609                       05/06/97
5,627,339                       08/626,748                       05/06/97
5,627,354                       08/536,439                       05/06/97
5,627,356                       08/211,550                       05/06/97
5,627,373                       08/664,578                       05/06/97
5,627,375                       08/554,299                       05/06/97
5,627,394                       08/599,898                       05/06/97
5,627,410                       08/523,170                       05/06/97
5,627,419                       08/220,778                       05/06/97
5,627,420                       08/357,004                       05/06/97
5,627,435                       08/601,888                       05/06/97
5,627,438                       08/378,173                       05/06/97
5,627,443                       08/414,426                       05/06/97
5,627,453                       08/372,277                       05/06/97
5,627,463                       08/600,068                       05/06/97
5,627,465                       08/548,108                       05/06/97
5,627,504                       08/400,528                       05/06/97
5,627,508                       08/644,464                       05/06/97
5,627,510                       08/304,250                       05/06/97
5,627,512                       08/485,280                       05/06/97
5,627,523                       08/657,369                       05/06/97
5,627,532                       08/351,499                       05/06/97
5,627,538                       08/368,199                       05/06/97
5,627,560                       08/470,893                       05/06/97
5,627,562                       08/401,479                       05/06/97
5,627,568                       07/990,971                       05/06/97
5,627,585                       08/684,320                       05/06/97
5,627,602                       08/382,908                       05/06/97
5,627,606                       08/421,528                       05/06/97
5,627,607                       08/548,144                       05/06/97
5,627,609                       08/571,249                       05/06/97
5,627,657                       08/613,763                       05/06/97
5,627,663                       08/497,778                       05/06/97
5,627,698                       08/323,518                       05/06/97
5,627,700                       07/733,629                       05/06/97
5,627,704                       08/600,239                       05/06/97
5,627,717                       08/366,149                       05/06/97
5,627,719                       08/490,318                       05/06/97
5,627,720                       08/514,191                       05/06/97
5,627,726                       08/511,738                       05/06/97
5,627,747                       08/322,585                       05/06/97
5,627,749                       08/201,838                       05/06/97
5,627,752                       08/364,198                       05/06/97
5,627,753                       08/494,798                       05/06/97
5,627,760                       08/423,609                       05/06/97
5,627,763                       08/364,752                       05/06/97
5,627,806                       08/453,830                       05/06/97
5,627,814                       08/578,303                       05/06/97
5,627,815                       08/521,925                       05/06/97
5,627,824                       08/446,699                       05/06/97
5,627,825                       08/300,302                       05/06/97
5,627,850                       08/407,446                       05/06/97
5,627,870                       08/381,858                       05/06/97
5,627,874                       08/417,001                       05/06/97
5,627,897                       08/551,951                       05/06/97
5,627,910                       08/266,709                       05/06/97
5,627,912                       08/568,439                       05/06/97
5,627,923                       08/307,239                       05/06/97
5,627,934                       08/285,246                       05/06/97
5,627,947                       08/629,322                       05/06/97
5,627,969                       08/563,557                       05/06/97
5,628,004                       08/343,976                       05/06/97
5,628,006                       08/488,028                       05/06/97
5,628,033                       08/536,502                       05/06/97
5,628,044                       08/459,167                       05/06/97
5,628,050                       08/352,595                       05/06/97
5,628,054                       08/298,424                       05/06/97
5,628,056                       08/368,553                       05/06/97
5,628,058                       08/275,356                       05/06/97