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 August 15, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

4,856,130                       07/288,941                       08/15/89
4,856,131                       07/184,686                       08/15/89
4,856,133                       06/899,336                       08/15/89
4,856,135                       07/164,978                       08/15/89
4,856,141                       07/192,304                       08/15/89
4,856,144                       07/121,313                       08/15/89
4,856,152                       07/216,313                       08/15/89
4,856,153                       07/263,041                       08/15/89
4,856,169                       07/219,054                       08/15/89
4,856,176                       07/072,513                       08/15/89
4,856,177                       07/152,419                       08/15/89
4,856,182                       07/203,904                       08/15/89
4,856,187                       07/175,862                       08/15/89
4,856,192                       07/149,529                       08/15/89
4,856,193                       07/304,875                       08/15/89
4,856,198                       07/191,611                       08/15/89
4,856,203                       07/144,406                       08/15/89
4,856,206                       07/121,934                       08/15/89
4,856,214                       07/051,522                       08/15/89
4,856,215                       07/331,067                       08/15/89
4,856,230                       07/200,352                       08/15/89
4,856,233                       07/258,471                       08/15/89
4,856,244                       07/056,389                       08/15/89
4,856,245                       06/680,643                       08/15/89
4,856,246                       07/140,204                       08/15/89
4,856,248                       06/885,685                       08/15/89
4,856,251                       07/067,422                       08/15/89
4,856,257                       07/154,649                       08/15/89
4,856,265                       07/078,161                       08/15/89
4,856,281                       07/291,139                       08/15/89
4,856,287                       07/165,606                       08/15/89
4,856,291                       07/289,839                       08/15/89
4,856,292                       07/136,107                       08/15/89
4,856,293                       07/206,577                       08/15/89
4,856,295                       07/153,690                       08/15/89
4,856,299                       07/132,122                       08/15/89
4,856,313                       07/097,199                       08/15/89
4,856,331                       07/071,332                       08/15/89
4,856,332                       07/151,762                       08/15/89
4,856,333                       07/135,112                       08/15/89
4,856,334                       07/172,719                       08/15/89
4,856,355                       07/179,232                       08/15/89
4,856,357                       07/209,488                       08/15/89
4,856,364                       07/123,528                       08/15/89
4,856,367                       07/179,650                       08/15/89
4,856,368                       07/212,173                       08/15/89
4,856,374                       07/160,763                       08/15/89
4,856,382                       06/777,566                       08/15/89
4,856,389                       07/076,516                       08/15/89
4,856,396                       07/169,463                       08/15/89
4,856,397                       07/169,170                       08/15/89
4,856,400                       07/156,841                       08/15/89
4,856,405                       07/084,831                       08/15/89
4,856,409                       07/236,937                       08/15/89
4,856,446                       07/156,625                       08/15/89
4,856,447                       07/047,089                       08/15/89
4,856,448                       07/179,742                       08/15/89
4,856,449                       07/222,824                       08/15/89
4,856,451                       07/123,911                       08/15/89
4,856,455                       07/043,310                       08/15/89
4,856,460                       07/268,622                       08/15/89
4,856,464                       07/256,728                       08/15/89
4,856,470                       07/275,563                       08/15/89
4,856,477                       07/222,573                       08/15/89
4,856,482                       07/142,862                       08/15/89
4,856,488                       07/113,518                       08/15/89
4,856,492                       07/195,107                       08/15/89
4,856,505                       07/228,471                       08/15/89
4,856,507                       07/182,014                       08/15/89
4,856,508                       07/041,001                       08/15/89
4,856,512                       07/179,819                       08/15/89
4,856,521                       07/078,049                       08/15/89
4,856,535                       07/125,206                       08/15/89
4,856,536                       07/049,938                       08/15/89
4,856,538                       07/007,545                       08/15/89
4,856,546                       07/157,805                       08/15/89
4,856,547                       07/306,300                       08/15/89
4,856,548                       07/166,207                       08/15/89
4,856,549                       07/298,970                       08/15/89
4,856,550                       07/175,266                       08/15/89
4,856,556                       07/272,532                       08/15/89
4,856,572                       07/096,608                       08/15/89
4,856,579                       07/184,983                       08/15/89
4,856,580                       07/114,837                       08/15/89
4,856,597                       07/065,549                       08/15/89
4,856,601                       07/262,280                       08/15/89
4,856,608                       07/181,190                       08/15/89
4,856,614                       07/208,087                       08/15/89
4,856,618                       07/146,225                       08/15/89
4,856,621                       07/325,818                       08/15/89
4,856,623                       06/744,646                       08/15/89
4,856,639                       07/165,689                       08/15/89
4,856,645                       07/262,078                       08/15/89
4,856,652                       07/178,038                       08/15/89
4,856,653                       07/109,706                       08/15/89
4,856,656                       07/169,101                       08/15/89
4,856,662                       07/130,424                       08/15/89
4,856,668                       07/311,428                       08/15/89
4,856,670                       07/142,963                       08/15/89
4,856,701                       07/207,335                       08/15/89
4,856,707                       07/229,499                       08/15/89
4,856,722                       07/268,680                       08/15/89
4,856,725                       07/138,661                       08/15/89
4,856,740                       07/164,544                       08/15/89
4,856,748                       07/256,179                       08/15/89
4,856,749                       07/290,884                       08/15/89
4,856,754                       07/202,108                       08/15/89
4,856,755                       07/276,600                       08/15/89
4,856,757                       07/171,908                       08/15/89
4,856,761                       07/220,325                       08/15/89
4,856,766                       07/167,812                       08/15/89
4,856,767                       07/200,017                       08/15/89
4,856,768                       07/059,506                       08/15/89
4,856,774                       07/206,748                       08/15/89
4,856,778                       07/192,191                       08/15/89
4,856,785                       06/471,026                       08/15/89
4,856,792                       07/276,547                       08/15/89
4,856,796                       07/252,858                       08/15/89
4,856,804                       07/179,849                       08/15/89
4,856,809                       07/211,322                       08/15/89
4,856,819                       07/257,796                       08/15/89
4,856,843                       07/062,977                       08/15/89
4,856,846                       07/126,128                       08/15/89
4,856,848                       07/213,668                       08/15/89
4,856,855                       07/182,136                       08/15/89
4,856,884                       07/169,241                       08/15/89
4,856,886                       07/118,071                       08/15/89
4,856,894                       07/046,425                       08/15/89
4,856,895                       07/178,825                       08/15/89
4,856,914                       07/138,147                       08/15/89
4,856,915                       07/149,030                       08/15/89
4,856,932                       07/190,027                       08/15/89
4,856,938                       07/133,903                       08/15/89
4,856,941                       07/112,106                       08/15/89
4,856,951                       06/877,535                       08/15/89
4,856,972                       07/204,382                       08/15/89
4,856,983                       07/165,771                       08/15/89
4,856,990                       07/213,324                       08/15/89
4,857,001                       07/183,271                       08/15/89
4,857,008                       07/151,402                       08/15/89
4,857,010                       06/588,622                       08/15/89
4,857,011                       07/154,120                       08/15/89
4,857,013                       07/182,463                       08/15/89
4,857,020                       07/151,375                       08/15/89
4,857,025                       07/085,845                       08/15/89
4,857,035                       07/222,040                       08/15/89
4,857,038                       07/096,584                       08/15/89
4,857,046                       07/111,036                       08/15/89
4,857,050                       07/100,218                       08/15/89
4,857,055                       07/038,244                       08/15/89
4,857,066                       07/153,120                       08/15/89
4,857,073                       07/182,299                       08/15/89
4,857,074                       07/148,026                       08/15/89
4,857,079                       07/180,636                       08/15/89
4,857,087                       07/120,889                       08/15/89
4,857,093                       07/124,324                       08/15/89
4,857,113                       07/261,521                       08/15/89
4,857,114                       07/037,473                       08/15/89
4,857,119                       07/162,558                       08/15/89
4,857,147                       07/169,715                       08/15/89
4,857,181                       06/925,822                       08/15/89
4,857,182                       07/168,940                       08/15/89
4,857,192                       07/089,801                       08/15/89
4,857,194                       07/181,103                       08/15/89
4,857,203                       07/135,420                       08/15/89
4,857,220                       07/190,262                       08/15/89
4,857,229                       07/258,947                       08/15/89
4,857,242                       07/198,757                       08/15/89
4,857,243                       07/138,240                       08/15/89
4,857,267                       07/104,595                       08/15/89
4,857,270                       07/184,002                       08/15/89
4,857,272                       06/875,489                       08/15/89
4,857,279                       06/946,059                       08/15/89
4,857,284                       07/191,590                       08/15/89
4,857,287                       07/232,727                       08/15/89
4,857,288                       07/050,017                       08/15/89
4,857,289                       07/191,751                       08/15/89
4,857,292                       07/131,675                       08/15/89
4,857,298                       07/072,090                       08/15/89
4,857,300                       07/078,376                       08/15/89
4,857,301                       07/101,038                       08/15/89
4,857,314                       06/886,656                       08/15/89
4,857,317                       07/042,914                       08/15/89
4,857,320                       07/016,295                       08/15/89
4,857,323                       07/019,655                       08/15/89
4,857,326                       06/946,727                       08/15/89
4,857,332                       07/200,454                       08/15/89
4,857,339                       07/101,561                       08/15/89
4,857,355                       07/012,942                       08/15/89
4,857,357                       06/891,191                       08/15/89
4,857,359                       07/154,554                       08/15/89
4,857,365                       07/157,228                       08/15/89
4,857,386                       07/010,523                       08/15/89
4,857,389                       07/148,389                       08/15/89
4,857,394                       07/149,748                       08/15/89
4,857,398                       06/603,060                       08/15/89
4,857,404                       07/236,478                       08/15/89
4,857,414                       07/180,764                       08/15/89
4,857,417                       07/141,073                       08/15/89
4,857,423                       07/284,746                       08/15/89
4,857,424                       07/255,606                       08/15/89
4,857,433                       07/105,577                       08/15/89
4,857,456                       06/728,774                       08/15/89
4,857,462                       06/924,140                       08/15/89
4,857,468                       06/849,985                       08/15/89
4,857,473                       06/901,791                       08/15/89
4,857,474                       06/717,634                       08/15/89
4,857,476                       07/148,419                       08/15/89
4,857,485                       07/108,855                       08/15/89
4,857,488                       07/007,468                       08/15/89
4,857,495                       06/925,537                       08/15/89
4,857,509                       06/820,490                       08/15/89
4,857,510                       07/006,569                       08/15/89
4,857,512                       06/933,482                       08/15/89
4,857,513                       07/042,444                       08/15/89
4,857,518                       06/835,065                       08/15/89
4,857,529                       07/178,510                       08/15/89
4,857,533                       07/284,615                       08/15/89
4,857,538                       07/126,364                       08/15/89
4,857,541                       06/894,029                       08/15/89
4,857,568                       07/032,400                       08/15/89
4,857,578                       07/226,225                       08/15/89
4,857,579                       07/125,358                       08/15/89
4,857,582                       07/195,567                       08/15/89
4,857,585                       06/573,728                       08/15/89
4,857,586                       07/165,658                       08/15/89
4,857,593                       07/165,536                       08/15/89
4,857,606                       07/222,581                       08/15/89
4,857,609                       07/147,298                       08/15/89
4,857,620                       07/213,049                       08/15/89
4,857,624                       07/199,555                       08/15/89
4,857,626                       07/136,758                       08/15/89
4,857,631                       07/117,265                       08/15/89
4,857,639                       07/002,467                       08/15/89
4,857,643                       07/266,559                       08/15/89
4,857,661                       06/821,713                       08/15/89
4,857,665                       07/144,346                       08/15/89
4,857,670                       07/149,409                       08/15/89
4,857,677                       07/162,061                       08/15/89
4,857,682                       07/257,764                       08/15/89
4,857,688                       07/196,192                       08/15/89
4,857,694                       07/190,791                       08/15/89
4,857,696                       07/185,128                       08/15/89
4,857,699                       07/008,656                       08/15/89
4,857,700                       07/243,564                       08/15/89
4,857,701                       06/610,317                       08/15/89
4,857,707                       07/180,100                       08/15/89
4,857,724                       07/192,810                       08/15/89
4,857,735                       07/113,230                       08/15/89
4,857,743                       07/229,158                       08/15/89
4,857,754                       07/172,186                       08/15/89
4,857,755                       07/249,672                       08/15/89
4,857,778                       07/149,491                       08/15/89
4,857,779                       07/208,195                       08/15/89
4,857,782                       07/099,474                       08/15/89
4,857,790                       07/162,440                       08/15/89
4,857,794                       07/093,091                       08/15/89
4,857,797                       07/156,373                       08/15/89
4,857,799                       06/891,853                       08/15/89
4,857,804                       06/849,652                       08/15/89
4,857,820                       07/094,115                       08/15/89
4,857,845                       07/180,111                       08/15/89
4,857,847                       07/095,775                       08/15/89
4,857,848                       07/169,273                       08/15/89
4,857,853                       07/076,726                       08/15/89
4,857,861                       07/162,921                       08/15/89
4,857,869                       07/169,423                       08/15/89
4,857,877                       07/215,702                       08/15/89
4,857,878                       07/145,365                       08/15/89
4,857,883                       06/895,484                       08/15/89
4,857,885                       07/173,415                       08/15/89
4,857,886                       07/161,005                       08/15/89
4,857,906                       07/105,842                       08/15/89
4,857,912                       07/227,923                       08/15/89
4,857,939                       07/202,123                       08/15/89
4,857,949                       07/218,835                       08/15/89
4,857,956                       07/114,071                       08/15/89
4,857,959                       07/019,432                       08/15/89
4,857,973                       07/049,352                       08/15/89
4,857,978                       07/084,260                       08/15/89
4,857,989                       07/093,524                       08/15/89
4,857,991                       07/186,574                       08/15/89
4,857,992                       07/146,446                       08/15/89
4,857,994                       07/150,626                       08/15/89
4,857,999                       07/287,452                       08/15/89
4,858,036                       06/388,036                       08/15/89
4,858,049                       07/056,114                       08/15/89
4,858,055                       07/132,648                       08/15/89
4,858,058                       07/227,126                       08/15/89
4,858,064                       07/251,747                       08/15/89
4,858,069                       07/229,944                       08/15/89
4,858,070                       07/042,186                       08/15/89
4,858,071                       07/159,098                       08/15/89
4,858,077                       07/276,029                       08/15/89
4,858,098                       07/262,218                       08/15/89
4,858,103                       06/576,924                       08/15/89
4,858,109                       07/111,471                       08/15/89
4,858,114                       07/132,719                       08/15/89
4,858,122                       06/909,280                       08/15/89
4,858,125                       06/602,170                       08/15/89
4,858,133                       07/168,254                       08/15/89
4,858,158                       07/135,441                       08/15/89
4,858,159                       07/111,843                       08/15/89
4,858,163                       07/069,432                       08/15/89
4,858,168                       07/157,187                       08/15/89
4,858,175                       06/780,795                       08/15/89
4,858,179                       06/798,198                       08/15/89
4,858,188                       07/093,833                       08/15/89
4,858,205                       07/236,694                       08/15/89
4,858,218                       07/145,704                       08/15/89
4,858,224                       07/140,791                       08/15/89
4,858,238                       07/144,310                       08/15/89
4,858,240                       06/935,379                       08/15/89

                   PATENTS WHICH EXPIRED ON August 10, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,233,705                       07/868,990                       08/10/93
5,233,708                       07/922,633                       08/10/93
5,233,713                       07/857,697                       08/10/93
5,233,724                       07/770,934                       08/10/93
5,233,727                       07/717,662                       08/10/93
5,233,729                       07/984,345                       08/10/93
5,233,738                       07/864,616                       08/10/93
5,233,744                       07/884,125                       08/10/93
5,233,747                       07/921,570                       08/10/93
5,233,748                       07/647,847                       08/10/93
5,233,759                       07/989,754                       08/10/93
5,233,767                       07/766,913                       08/10/93
5,233,783                       07/736,038                       08/10/93
5,233,788                       07/770,480                       08/10/93
5,233,795                       07/840,752                       08/10/93
5,233,804                       07/722,096                       08/10/93
5,233,806                       07/807,145                       08/10/93
5,233,809                       07/770,341                       08/10/93
5,233,811                       07/931,919                       08/10/93
5,233,820                       07/992,549                       08/10/93
5,233,821                       07/660,497                       08/10/93
5,233,835                       07/945,569                       08/10/93
5,233,842                       07/907,087                       08/10/93
5,233,843                       07/849,866                       08/10/93
5,233,850                       07/829,449                       08/10/93
5,233,855                       07/792,569                       08/10/93
5,233,862                       07/740,812                       08/10/93
5,233,868                       07/867,972                       08/10/93
5,233,872                       07/568,050                       08/10/93
5,233,873                       07/725,844                       08/10/93
5,233,881                       07/916,336                       08/10/93
5,233,882                       07/692,375                       08/10/93
5,233,888                       07/710,073                       08/10/93
5,233,895                       07/974,641                       08/10/93
5,233,897                       07/664,829                       08/10/93
5,233,898                       07/894,845                       08/10/93
5,233,901                       07/674,958                       08/10/93
5,233,902                       07/880,852                       08/10/93
5,233,913                       07/937,000                       08/10/93
5,233,921                       07/607,533                       08/10/93
5,233,928                       07/824,297                       08/10/93
5,233,929                       07/882,721                       08/10/93
5,233,934                       07/933,488                       08/10/93
5,233,949                       07/966,865                       08/10/93
5,233,952                       07/733,093                       08/10/93
5,233,953                       08/001,961                       08/10/93
5,233,955                       07/974,633                       08/10/93
5,233,956                       07/945,182                       08/10/93
5,233,957                       07/773,604                       08/10/93
5,233,958                       07/793,830                       08/10/93
5,233,966                       07/861,438                       08/10/93
5,233,969                       07/865,833                       08/10/93
5,233,973                       07/855,957                       08/10/93
5,233,995                       07/795,590                       08/10/93
5,233,996                       07/647,170                       08/10/93
5,234,000                       07/951,611                       08/10/93
5,234,006                       07/642,816                       08/10/93
5,234,009                       07/898,213                       08/10/93
5,234,012                       07/814,534                       08/10/93
5,234,017                       07/772,770                       08/10/93
5,234,020                       07/852,293                       08/10/93
5,234,023                       07/843,853                       08/10/93
5,234,029                       07/916,035                       08/10/93
5,234,042                       07/669,117                       08/10/93
5,234,043                       07/692,997                       08/10/93
5,234,045                       07/767,643                       08/10/93
5,234,046                       07/921,509                       08/10/93
5,234,048                       07/818,563                       08/10/93
5,234,052                       07/877,402                       08/10/93
5,234,058                       07/803,945                       08/10/93
5,234,061                       07/850,416                       08/10/93
5,234,062                       07/998,846                       08/10/93
5,234,063                       07/890,558                       08/10/93
5,234,064                       07/848,259                       08/10/93
5,234,074                       07/824,654                       08/10/93
5,234,078                       07/905,457                       08/10/93
5,234,080                       07/801,789                       08/10/93
5,234,087                       07/811,062                       08/10/93
5,234,096                       07/832,920                       08/10/93
5,234,097                       07/835,301                       08/10/93
5,234,104                       07/719,367                       08/10/93
5,234,107                       07/878,413                       08/10/93
5,234,110                       07/980,309                       08/10/93
5,234,111                       07/589,379                       08/10/93
5,234,114                       07/874,068                       08/10/93
5,234,124                       07/851,487                       08/10/93
5,234,127                       07/730,058                       08/10/93
5,234,133                       08/042,758                       08/10/93
5,234,136                       07/829,743                       08/10/93
5,234,143                       07/834,689                       08/10/93
5,234,146                       07/696,251                       08/10/93
5,234,147                       07/930,278                       08/10/93
5,234,151                       07/936,950                       08/10/93
5,234,163                       07/852,326                       08/10/93
5,234,165                       07/841,092                       08/10/93
5,234,168                       07/750,496                       08/10/93
5,234,170                       07/820,636                       08/10/93
5,234,171                       07/884,007                       08/10/93
5,234,179                       07/814,260                       08/10/93
5,234,184                       07/799,350                       08/10/93
5,234,186                       07/951,659                       08/10/93
5,234,195                       07/846,565                       08/10/93
5,234,200                       07/987,570                       08/10/93
5,234,203                       07/793,602                       08/10/93
5,234,204                       07/554,253                       08/10/93
5,234,206                       08/002,053                       08/10/93
5,234,212                       07/908,033                       08/10/93
5,234,215                       07/886,923                       08/10/93
5,234,219                       07/924,902                       08/10/93
5,234,225                       07/880,169                       08/10/93
5,234,226                       07/932,675                       08/10/93
5,234,244                       07/842,506                       08/10/93
5,234,249                       07/978,396                       08/10/93
5,234,260                       07/616,659                       08/10/93
5,234,267                       07/748,501                       08/10/93
5,234,279                       07/663,861                       08/10/93
5,234,282                       07/933,715                       08/10/93
5,234,283                       07/824,376                       08/10/93
5,234,292                       07/761,640                       08/10/93
5,234,294                       07/950,940                       08/10/93
5,234,302                       07/982,918                       08/10/93
5,234,305                       07/803,098                       08/10/93
5,234,306                       07/738,229                       08/10/93
5,234,316                       07/671,738                       08/10/93
5,234,327                       07/918,947                       08/10/93
5,234,333                       07/954,454                       08/10/93
5,234,340                       07/844,248                       08/10/93
5,234,341                       07/930,281                       08/10/93
5,234,352                       07/982,532                       08/10/93
5,234,357                       07/921,395                       08/10/93
5,234,358                       07/955,943                       08/10/93
5,234,380                       07/855,969                       08/10/93
5,234,381                       07/864,252                       08/10/93
5,234,382                       07/798,636                       08/10/93
5,234,385                       07/919,333                       08/10/93
5,234,391                       07/775,916                       08/10/93
5,234,394                       07/690,567                       08/10/93
5,234,396                       07/917,948                       08/10/93
5,234,397                       07/847,822                       08/10/93
5,234,402                       07/899,554                       08/10/93
5,234,403                       07/705,211                       08/10/93
5,234,404                       07/775,735                       08/10/93
5,234,421                       07/616,229                       08/10/93
5,234,429                       07/908,346                       08/10/93
5,234,432                       07/850,846                       08/10/93
5,234,433                       07/779,525                       08/10/93
5,234,435                       07/665,953                       08/10/93
5,234,436                       07/910,773                       08/10/93
5,234,441                       07/817,432                       08/10/93
5,234,451                       07/794,111                       08/10/93
5,234,467                       07/914,156                       08/10/93
5,234,468                       07/722,811                       08/10/93
5,234,469                       07/722,819                       08/10/93
5,234,473                       07/782,969                       08/10/93
5,234,475                       07/745,035                       08/10/93
5,234,476                       07/921,799                       08/10/93
5,234,477                       07/875,183                       08/10/93
5,234,481                       07/773,945                       08/10/93
5,234,483                       07/733,781                       08/10/93
5,234,489                       07/888,644                       08/10/93
5,234,490                       07/799,790                       08/10/93
5,234,493                       07/873,891                       08/10/93
5,234,496                       07/738,219                       08/10/93
5,234,502                       07/665,580                       08/10/93
5,234,506                       07/896,660                       08/10/93
5,234,507                       07/727,543                       08/10/93
5,234,513                       07/775,703                       08/10/93
5,234,521                       07/464,108                       08/10/93
5,234,522                       07/800,586                       08/10/93
5,234,523                       07/874,276                       08/10/93
5,234,525                       07/968,182                       08/10/93
5,234,533                       07/790,537                       08/10/93
5,234,536                       07/858,791                       08/10/93
5,234,541                       07/706,824                       08/10/93
5,234,560                       07/870,734                       08/10/93
5,234,574                       07/827,597                       08/10/93
5,234,575                       07/738,370                       08/10/93
5,234,578                       07/766,498                       08/10/93
5,234,579                       07/671,250                       08/10/93
5,234,582                       07/848,691                       08/10/93
5,234,589                       07/785,285                       08/10/93
5,234,592                       07/733,223                       08/10/93
5,234,595                       07/917,557                       08/10/93
5,234,596                       07/822,468                       08/10/93
5,234,599                       07/837,460                       08/10/93
5,234,616                       07/821,673                       08/10/93
5,234,620                       07/802,027                       08/10/93
5,234,625                       07/919,670                       08/10/93
5,234,632                       07/783,687                       08/10/93
5,234,641                       07/191,123                       08/10/93
5,234,644                       07/750,831                       08/10/93
5,234,652                       07/779,821                       08/10/93
5,234,656                       07/691,050                       08/10/93
5,234,657                       07/739,366                       08/10/93
5,234,661                       07/689,060                       08/10/93
5,234,662                       07/655,629                       08/10/93
5,234,663                       07/853,501                       08/10/93
5,234,666                       07/785,061                       08/10/93
5,234,675                       07/769,506                       08/10/93
5,234,676                       07/869,601                       08/10/93
5,234,682                       07/944,757                       08/10/93
5,234,688                       07/547,642                       08/10/93
5,234,707                       07/802,637                       08/10/93
5,234,713                       07/797,080                       08/10/93
5,234,714                       07/998,273                       08/10/93
5,234,726                       07/787,400                       08/10/93
5,234,741                       07/498,575                       08/10/93
5,234,742                       07/902,407                       08/10/93
5,234,747                       07/652,637                       08/10/93
5,234,748                       07/717,606                       08/10/93
5,234,756                       07/765,745                       08/10/93
5,234,758                       07/892,914                       08/10/93
5,234,762                       07/792,315                       08/10/93
5,234,768                       07/491,092                       08/10/93
5,234,771                       07/759,369                       08/10/93
5,234,775                       07/987,533                       08/10/93
5,234,776                       07/739,981                       08/10/93
5,234,779                       07/929,855                       08/10/93
5,234,786                       07/800,211                       08/10/93
5,234,798                       07/771,482                       08/10/93
5,234,806                       07/802,299                       08/10/93
5,234,810                       07/764,466                       08/10/93
5,234,813                       07/749,521                       08/10/93
5,234,822                       07/779,706                       08/10/93
5,234,825                       07/682,850                       08/10/93
5,234,827                       07/047,658                       08/10/93
5,234,833                       07/759,418                       08/10/93
5,234,837                       07/768,301                       08/10/93
5,234,846                       07/876,597                       08/10/93
5,234,848                       07/787,850                       08/10/93
5,234,860                       07/855,353                       08/10/93
5,234,870                       07/554,867                       08/10/93
5,234,874                       07/681,683                       08/10/93
5,234,875                       07/805,137                       08/10/93
5,234,880                       07/884,350                       08/10/93
5,234,893                       07/734,215                       08/10/93
5,234,895                       07/901,008                       08/10/93
5,234,896                       07/868,802                       08/10/93
5,234,898                       07/819,997                       08/10/93
5,234,901                       07/728,212                       08/10/93
5,234,905                       07/669,849                       08/10/93
5,234,910                       07/595,044                       08/10/93
5,234,912                       07/766,566                       08/10/93
5,234,914                       07/799,751                       08/10/93
5,234,924                       07/802,503                       08/10/93
5,234,928                       07/721,610                       08/10/93
5,234,934                       07/876,091                       08/10/93
5,234,946                       07/753,611                       08/10/93
5,234,955                       07/811,483                       08/10/93
5,234,958                       07/935,484                       08/10/93
5,234,966                       07/960,239                       08/10/93
5,234,968                       07/704,463                       08/10/93
5,234,977                       07/734,492                       08/10/93
5,234,988                       07/928,162                       08/10/93
5,234,994                       07/428,888                       08/10/93
5,235,001                       07/891,017                       08/10/93
5,235,008                       07/562,787                       08/10/93
5,235,009                       07/422,982                       08/10/93
5,235,011                       07/938,922                       08/10/93
5,235,016                       07/735,499                       08/10/93
5,235,029                       07/821,992                       08/10/93
5,235,030                       07/870,150                       08/10/93
5,235,039                       07/712,828                       08/10/93
5,235,050                       07/866,002                       08/10/93
5,235,051                       07/777,150                       08/10/93
5,235,052                       07/665,413                       08/10/93
5,235,059                       07/782,866                       08/10/93
5,235,060                       07/728,446                       08/10/93
5,235,061                       07/871,921                       08/10/93
5,235,072                       07/679,054                       08/10/93
5,235,077                       07/674,498                       08/10/93
5,235,081                       07/853,239                       08/10/93
5,235,082                       08/002,379                       08/10/93
5,235,083                       07/991,304                       08/10/93
5,235,090                       07/979,399                       08/10/93
5,235,095                       07/825,593                       08/10/93
5,235,097                       07/890,781                       08/10/93
5,235,098                       07/408,876                       08/10/93
5,235,100                       07/825,630                       08/10/93
5,235,101                       07/825,548                       08/10/93
5,235,103                       07/990,762                       08/10/93
5,235,107                       07/683,498                       08/10/93
5,235,116                       07/933,547                       08/10/93
5,235,119                       07/955,216                       08/10/93
5,235,120                       07/796,562                       08/10/93
5,235,124                       07/869,255                       08/10/93
5,235,142                       07/760,563                       08/10/93
5,235,144                       07/740,382                       08/10/93
5,235,145                       07/819,697                       08/10/93
5,235,152                       07/899,788                       08/10/93
5,235,154                       07/874,924                       08/10/93
5,235,162                       07/889,047                       08/10/93
5,235,169                       07/647,619                       08/10/93
5,235,177                       07/784,376                       08/10/93
5,235,186                       07/826,922                       08/10/93
5,235,190                       07/647,558                       08/10/93
5,235,191                       07/847,371                       08/10/93
5,235,203                       07/722,416                       08/10/93
5,235,208                       07/819,974                       08/10/93
5,235,216                       07/729,969                       08/10/93
5,235,217                       07/735,084                       08/10/93
5,235,224                       07/780,777                       08/10/93
5,235,225                       07/575,965                       08/10/93
5,235,226                       07/819,706                       08/10/93
5,235,227                       07/644,906                       08/10/93
5,235,235                       07/705,408                       08/10/93
5,235,239                       07/712,200                       08/10/93
5,235,246                       07/855,492                       08/10/93
5,235,248                       07/540,828                       08/10/93
5,235,249                       07/643,858                       08/10/93
5,235,250                       07/783,768                       08/10/93
5,235,252                       07/815,388                       08/10/93
5,235,267                       07/768,440                       08/10/93
5,235,275                       07/768,986                       08/10/93
5,235,276                       07/744,246                       08/10/93
5,235,277                       07/713,185                       08/10/93
5,235,284                       07/972,715                       08/10/93
5,235,287                       07/726,093                       08/10/93
5,235,297                       07/844,510                       08/10/93
5,235,303                       07/729,127                       08/10/93
5,235,304                       07/885,812                       08/10/93
5,235,313                       07/723,608                       08/10/93
5,235,316                       07/811,301                       08/10/93
5,235,317                       07/894,689                       08/10/93
5,235,319                       07/881,415                       08/10/93
5,235,320                       07/802,091                       08/10/93
5,235,322                       07/748,820                       08/10/93
5,235,339                       07/977,301                       08/10/93
5,235,362                       07/909,226                       08/10/93
5,235,363                       07/698,091                       08/10/93
5,235,366                       07/848,368                       08/10/93
5,235,367                       07/826,584                       08/10/93
5,235,407                       07/713,966                       08/10/93
5,235,409                       07/744,563                       08/10/93
5,235,427                       07/782,538                       08/10/93
5,235,431                       07/815,228                       08/10/93
5,235,432                       07/796,634                       08/10/93
5,235,438                       07/738,346                       08/10/93
5,235,445                       07/869,961                       08/10/93
5,235,447                       07/809,439                       08/10/93
5,235,456                       07/698,564                       08/10/93
5,235,457                       07/620,442                       08/10/93
5,235,461                       07/860,379                       08/10/93
5,235,462                       07/730,908                       08/10/93
5,235,465                       07/690,632                       08/10/93
5,235,467                       07/790,004                       08/10/93
5,235,476                       07/723,421                       08/10/93
5,235,485                       07/732,598                       08/10/93
5,235,492                       07/853,212                       08/10/93
5,235,497                       07/691,702                       08/10/93
5,235,499                       07/901,988                       08/10/93
5,235,503                       07/804,598                       08/10/93
5,235,506                       07/754,789                       08/10/93
5,235,514                       07/674,603                       08/10/93
5,235,517                       07/764,034                       08/10/93
5,235,519                       07/661,667                       08/10/93
5,235,521                       07/773,061                       08/10/93
5,235,528                       07/593,659                       08/10/93
5,235,533                       07/881,043                       08/10/93
5,235,538                       07/756,884                       08/10/93
5,235,557                       07/835,757                       08/10/93
5,235,558                       07/887,204                       08/10/93
5,235,559                       07/891,266                       08/10/93
5,235,560                       07/961,655                       08/10/93
5,235,561                       07/963,413                       08/10/93
5,235,563                       07/732,127                       08/10/93
5,235,565                       07/805,554                       08/10/93
5,235,571                       07/804,263                       08/10/93
5,235,572                       07/847,798                       08/10/93
5,235,574                       07/787,205                       08/10/93
5,235,576                       07/834,171                       08/10/93
5,235,585                       07/758,923                       08/10/93
5,235,592                       07/744,153                       08/10/93
5,235,597                       07/667,618                       08/10/93
5,235,599                       07/556,718                       08/10/93
5,235,607                       07/810,299                       08/10/93
5,235,610                       07/759,593                       08/10/93
5,235,611                       07/806,123                       08/10/93
5,235,613                       07/844,712                       08/10/93
5,235,628                       07/797,722                       08/10/93
5,235,634                       07/627,822                       08/10/93
5,235,639                       07/895,978                       08/10/93
5,235,640                       07/455,512                       08/10/93
5,235,645                       07/897,434                       08/10/93
5,235,648                       07/748,805                       08/10/93
5,235,649                       07/714,538                       08/10/93
5,235,668                       07/925,021                       08/10/93
5,235,679                       07/943,979                       08/10/93
5,235,683                       07/376,632                       08/10/93
5,235,690                       07/575,716                       08/10/93
5,235,692                       07/576,044                       08/10/93
5,235,694                       07/605,356                       08/10/93

                   PATENTS WHICH EXPIRED ON August 12, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                            Serial                            Issue
Number                            Number                             Date

5,655,241                       08/381,723                       08/12/97
5,655,243                       08/502,602                       08/12/97
5,655,244                       08/657,052                       08/12/97
5,655,245                       08/493,424                       08/12/97
5,655,247                       08/341,588                       08/12/97
5,655,249                       08/636,973                       08/12/97
5,655,257                       08/422,431                       08/12/97
5,655,259                       08/717,579                       08/12/97
5,655,260                       08/706,851                       08/12/97
5,655,262                       08/553,054                       08/12/97
5,655,263                       08/428,534                       08/12/97
5,655,266                       08/664,820                       08/12/97
5,655,267                       08/549,914                       08/12/97
5,655,269                       08/512,197                       08/12/97
5,655,270                       08/463,719                       08/12/97
5,655,272                       08/399,205                       08/12/97
5,655,274                       08/622,585                       08/12/97
5,655,279                       08/551,165                       08/12/97
5,655,289                       08/340,121                       08/12/97
5,655,299                       08/472,438                       08/12/97
5,655,300                       08/383,419                       08/12/97
5,655,315                       08/696,375                       08/12/97
5,655,319                       08/410,961                       08/12/97
5,655,321                       08/624,787                       08/12/97
5,655,325                       08/589,891                       08/12/97
5,655,326                       08/452,639                       08/12/97
5,655,327                       08/361,890                       08/12/97
5,655,328                       08/522,709                       08/12/97
5,655,332                       08/360,636                       08/12/97
5,655,334                       08/721,215                       08/12/97
5,655,335                       08/499,456                       08/12/97
5,655,337                       08/528,792                       08/12/97
5,655,354                       08/411,419                       08/12/97
5,655,371                       08/512,322                       08/12/97
5,655,375                       08/669,153                       08/12/97
5,655,379                       08/549,501                       08/12/97
5,655,380                       08/469,254                       08/12/97
5,655,382                       08/597,943                       08/12/97
5,655,383                       08/536,967                       08/12/97
5,655,389                       08/573,815                       08/12/97
5,655,394                       08/620,607                       08/12/97
5,655,402                       08/357,332                       08/12/97
5,655,404                       08/288,222                       08/12/97
5,655,405                       08/462,841                       08/12/97
5,655,410                       08/524,157                       08/12/97
5,655,422                       08/331,666                       08/12/97
5,655,433                       08/541,708                       08/12/97
5,655,434                       08/485,728                       08/12/97
5,655,451                       08/557,317                       08/12/97
5,655,463                       08/492,426                       08/12/97
5,655,476                       08/700,669                       08/12/97
5,655,477                       08/526,896                       08/12/97
5,655,481                       08/578,285                       08/12/97
5,655,482                       08/599,546                       08/12/97
5,655,494                       08/597,394                       08/12/97
5,655,495                       08/726,840                       08/12/97
5,655,505                       08/641,427                       08/12/97
5,655,509                       08/587,302                       08/12/97
5,655,513                       08/613,408                       08/12/97
5,655,514                       08/607,117                       08/12/97
5,655,524                       08/438,647                       08/12/97
5,655,528                       08/604,747                       08/12/97
5,655,541                       08/365,922                       08/12/97
5,655,550                       08/549,452                       08/12/97
5,655,559                       08/406,966                       08/12/97
5,655,561                       08/561,828                       08/12/97
5,655,568                       08/512,456                       08/12/97
5,655,574                       08/613,380                       08/12/97
5,655,578                       08/613,532                       08/12/97
5,655,582                       08/589,267                       08/12/97
5,655,584                       08/491,519                       08/12/97
5,655,585                       08/637,480                       08/12/97
5,655,587                       08/665,962                       08/12/97
5,655,589                       08/648,728                       08/12/97
5,655,596                       08/553,515                       08/12/97
5,655,607                       08/505,237                       08/12/97
5,655,616                       08/495,628                       08/12/97
5,655,620                       08/495,999                       08/12/97
5,655,621                       08/497,570                       08/12/97
5,655,622                       08/546,532                       08/12/97
5,655,624                       08/523,077                       08/12/97
5,655,625                       08/564,773                       08/12/97
5,655,628                       08/496,004                       08/12/97
5,655,631                       08/399,529                       08/12/97
5,655,662                       08/468,146                       08/12/97
5,655,663                       08/498,680                       08/12/97
5,655,666                       08/612,852                       08/12/97
5,655,669                       08/703,870                       08/12/97
5,655,671                       08/586,340                       08/12/97
5,655,686                       08/454,432                       08/12/97
5,655,690                       08/443,780                       08/12/97
5,655,695                       08/526,444                       08/12/97
5,655,696                       08/442,966                       08/12/97
5,655,697                       08/657,440                       08/12/97
5,655,699                       08/608,081                       08/12/97
5,655,701                       08/500,377                       08/12/97
5,655,706                       08/457,385                       08/12/97
5,655,712                       08/452,467                       08/12/97
5,655,719                       08/478,832                       08/12/97
5,655,721                       08/443,195                       08/12/97
5,655,723                       08/429,766                       08/12/97
5,655,731                       08/466,389                       08/12/97
5,655,733                       08/428,911                       08/12/97
5,655,734                       08/490,309                       08/12/97
5,655,736                       08/461,152                       08/12/97
5,655,739                       08/409,513                       08/12/97
5,655,740                       08/582,879                       08/12/97
5,655,770                       08/528,742                       08/12/97
5,655,774                       08/629,354                       08/12/97
5,655,783                       08/221,648                       08/12/97
5,655,784                       08/411,327                       08/12/97
5,655,785                       08/495,921                       08/12/97
5,655,788                       08/525,587                       08/12/97
5,655,789                       08/615,759                       08/12/97
5,655,802                       08/519,141                       08/12/97
5,655,805                       08/677,919                       08/12/97
5,655,806                       08/551,717                       08/12/97
5,655,809                       08/697,790                       08/12/97
5,655,815                       08/588,086                       08/12/97
5,655,817                       08/607,268                       08/12/97
5,655,818                       08/496,246                       08/12/97
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