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 October 18, 2000
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                         Serial                       Issue
Number                         Number                        Date

4,777,665                    07/069,469                  10/18/88
4,777,672                    06/893,583                  10/18/88
4,777,680                    06/508,573                  10/18/88
4,777,681                    07/017,812                  10/18/88
4,777,700                    07/057,496                  10/18/88
4,777,704                    06/939,941                  10/18/88
4,777,705                    07/115,395                  10/18/88
4,777,707                    07/055,251                  10/18/88
4,777,729                    07/002,713                  10/18/88
4,777,734                    07/094,302                  10/18/88
4,777,735                    07/024,318                  10/18/88
4,777,742                    07/085,766                  10/18/88
4,777,751                    07/044,149                  10/18/88
4,777,759                    07/082,136                  10/18/88
4,777,761                    07/079,349                  10/18/88
4,777,766                    07/037,181                  10/18/88
4,777,774                    07/061,283                  10/18/88
4,777,782                    07/058,587                  10/18/88
4,777,783                    06/878,597                  10/18/88
4,777,785                    06/945,864                  10/18/88
4,777,812                    06/928,566                  10/18/88
4,777,813                    07/065,100                  10/18/88
4,777,814                    06/285,287                  10/18/88
4,777,816                    07/062,426                  10/18/88
4,777,819                    07/044,591                  10/18/88
4,777,823                    07/087,359                  10/18/88
4,777,827                    07/143,801                  10/18/88
4,777,831                    07/000,580                  10/18/88
4,777,840                    06/933,418                  10/18/88
4,777,858                    06/851,807                  10/18/88
4,777,869                    06/845,844                  10/18/88
4,777,880                    07/035,012                  10/18/88
4,777,883                    07/145,378                  10/18/88
4,777,902                    06/933,399                  10/18/88
4,777,909                    07/129,881                  10/18/88
4,777,925                    07/158,838                  10/18/88
4,777,929                    07/012,893                  10/18/88
4,777,936                    06/903,787                  10/18/88
4,777,937                    06/760,487                  10/18/88
4,777,940                    07/068,465                  10/18/88
4,777,944                    06/903,416                  10/18/88
4,777,954                    07/066,661                  10/18/88
4,777,958                    06/823,332                  10/18/88
4,777,960                    06/897,603                  10/18/88
4,777,964                    07/051,947                  10/18/88
4,777,974                    07/125,716                  10/18/88
4,777,986                    07/092,983                  10/18/88
4,777,999                    07/102,632                  10/18/88
4,778,006                    07/046,587                  10/18/88
4,778,008                    07/022,098                  10/18/88
4,778,010                    07/027,543                  10/18/88
4,778,021                    07/059,043                  10/18/88
4,778,034                    07/002,852                  10/18/88
4,778,055                    07/025,134                  10/18/88
4,778,061                    07/061,485                  10/18/88
4,778,075                    06/871,225                  10/18/88
4,778,077                    07/158,859                  10/18/88
4,778,079                    06/895,897                  10/18/88
4,778,090                    07/009,522                  10/18/88
4,778,092                    06/868,885                  10/18/88
4,778,094                    07/104,443                  10/18/88
4,778,106                    06/747,984                  10/18/88
4,778,107                    07/082,090                  10/18/88
4,778,109                    07/133,886                  10/18/88
4,778,110                    06/428,696                  10/18/88
4,778,113                    07/148,206                  10/18/88
4,778,114                    07/036,974                  10/18/88
4,778,124                    07/103,127                  10/18/88
4,778,134                    07/087,509                  10/18/88
4,778,139                    07/023,074                  10/18/88
4,778,142                    07/071,866                  10/18/88
4,778,143                    07/014,195                  10/18/88
4,778,146                    07/028,493                  10/18/88
4,778,164                    07/035,675                  10/18/88
4,778,166                    07/003,395                  10/18/88
4,778,173                    07/055,631                  10/18/88
4,778,177                    06/921,645                  10/18/88
4,778,192                    06/867,789                  10/18/88
4,778,197                    06/923,208                  10/18/88
4,778,203                    06/913,592                  10/18/88
4,778,205                    07/089,478                  10/18/88
4,778,213                    07/116,059                  10/18/88
4,778,215                    07/025,743                  10/18/88
4,778,217                    07/015,306                  10/18/88
4,778,219                    06/759,456                  10/18/88
4,778,222                    07/000,497                  10/18/88
4,778,224                    07/139,732                  10/18/88
4,778,258                    07/104,452                  10/18/88
4,778,261                    07/107,189                  10/18/88
4,778,267                    06/356,141                  10/18/88
4,778,272                    06/932,863                  10/18/88
4,778,283                    06/947,717                  10/18/88
4,778,285                    07/102,007                  10/18/88
4,778,289                    06/857,348                  10/18/88
4,778,293                    07/078,755                  10/18/88
4,778,294                    07/084,908                  10/18/88
4,778,300                    06/838,813                  10/18/88
4,778,303                    07/030,933                  10/18/88
4,778,308                    06/930,309                  10/18/88
4,778,317                    06/818,447                  10/18/88
4,778,320                    06/876,998                  10/18/88
4,778,324                    06/911,530                  10/18/88
4,778,328                    06/937,614                  10/18/88
4,778,334                    07/040,928                  10/18/88
4,778,338                    06/414,253                  10/18/88
4,778,341                    07/082,344                  10/18/88
4,778,350                    07/019,757                  10/18/88
4,778,352                    06/884,756                  10/18/88
4,778,357                    07/087,952                  10/18/88
4,778,360                    07/158,248                  10/18/88
4,778,363                    06/943,388                  10/18/88
4,778,384                    07/108,006                  10/18/88
4,778,385                    07/065,313                  10/18/88
4,778,387                    07/019,028                  10/18/88
4,778,388                    07/108,119                  10/18/88
4,778,389                    06/860,493                  10/18/88
4,778,394                    06/944,686                  10/18/88
4,778,395                    07/111,321                  10/18/88
4,778,403                    07/073,600                  10/18/88
4,778,409                    06/946,561                  10/18/88
4,778,410                    07/097,788                  10/18/88
4,778,411                    07/042,495                  10/18/88
4,778,412                    07/031,259                  10/18/88
4,778,417                    07/064,465                  10/18/88
4,778,421                    07/047,262                  10/18/88
4,778,425                    07/065,445                  10/18/88
4,778,448                    06/884,081                  10/18/88
4,778,450                    06/871,714                  10/18/88
4,778,453                    06/849,148                  10/18/88
4,778,457                    06/927,929                  10/18/88
4,778,469                    06/926,702                  10/18/88
4,778,476                    06/885,022                  10/18/88
4,778,484                    07/101,519                  10/18/88
4,778,486                    06/697,669                  10/18/88
4,778,490                    07/057,907                  10/18/88
4,778,495                    06/877,587                  10/18/88
4,778,497                    07/056,702                  10/18/88
4,778,499                    06/876,321                  10/18/88
4,778,507                    07/083,974                  10/18/88
4,778,517                    07/054,553                  10/18/88
4,778,528                    06/566,198                  10/18/88
4,778,531                    07/068,171                  10/18/88
4,778,534                    06/733,979                  10/18/88
4,778,540                    07/068,130                  10/18/88
4,778,541                    07/123,251                  10/18/88
4,778,543                    07/030,006                  10/18/88
4,778,546                    06/907,668                  10/18/88
4,778,556                    06/930,622                  10/18/88
4,778,558                    06/842,499                  10/18/88
4,778,563                    07/031,105                  10/18/88
4,778,582                    07/057,076                  10/18/88
4,778,593                    06/859,203                  10/18/88
4,778,603                    07/146,907                  10/18/88
4,778,609                    07/121,984                  10/18/88
4,778,621                    06/917,491                  10/18/88
4,778,624                    06/897,309                  10/18/88
4,778,625                    07/039,239                  10/18/88
4,778,643                    06/694,703                  10/18/88
4,778,648                    07/042,190                  10/18/88
4,778,652                    06/802,608                  10/18/88
4,778,653                    07/157,098                  10/18/88
4,778,658                    06/869,158                  10/18/88
4,778,666                    06/937,809                  10/18/88
4,778,670                    06/868,666                  10/18/88
4,778,673                    06/809,008                  10/18/88
4,778,675                    06/832,766                  10/18/88
4,778,681                    06/865,513                  10/18/88
4,778,707                    07/022,534                  10/18/88
4,778,710                    06/718,378                  10/18/88
4,778,718                    07/030,410                  10/18/88
4,778,720                    07/063,441                  10/18/88
4,778,731                    07/014,326                  10/18/88
4,778,734                    07/151,203                  10/18/88
4,778,736                    06/910,065                  10/18/88
4,778,739                    06/900,467                  10/18/88
4,778,741                    07/039,795                  10/18/88
4,778,757                    06/823,836                  10/18/88
4,778,774                    07/028,472                  10/18/88
4,778,777                    06/917,561                  10/18/88
4,778,778                    07/057,623                  10/18/88
4,778,780                    07/076,977                  10/18/88
4,778,786                    07/119,156                  10/18/88
4,778,797                    06/773,967                  10/18/88
4,778,800                    06/929,866                  10/18/88
4,778,803                    06/947,418                  10/18/88
4,778,804                    06/786,754                  10/18/88
4,778,810                    07/001,340                  10/18/88
4,778,814                    07/027,300                  10/18/88
4,778,815                    07/027,298                  10/18/88
4,778,827                    06/918,668                  10/18/88
4,778,835                    06/940,824                  10/18/88
4,778,836                    06/749,294                  10/18/88
4,778,842                    06/825,828                  10/18/88
4,778,846                    07/010,660                  10/18/88
4,778,850                    07/064,410                  10/18/88
4,778,852                    07/034,365                  10/18/88
4,778,854                    07/149,105                  10/18/88
4,778,866                    06/882,392                  10/18/88
4,778,871                    07/089,120                  10/18/88
4,778,877                    07/103,078                  10/18/88
4,778,878                    07/102,975                  10/18/88
4,778,881                    06/820,244                  10/18/88
4,778,883                    07/016,106                  10/18/88
4,778,884                    07/018,668                  10/18/88
4,778,889                    07/043,720                  10/18/88
4,778,900                    06/826,168                  10/18/88
4,778,901                    07/057,147                  10/18/88
4,778,911                    07/065,678                  10/18/88
4,778,926                    07/062,801                  10/18/88
4,778,927                    06/938,064                  10/18/88
4,778,938                    07/120,879                  10/18/88
4,778,940                    07/029,897                  10/18/88
4,778,943                    06/791,044                  10/18/88
4,778,944                    06/917,654                  10/18/88
4,778,945                    07/071,871                  10/18/88
4,778,962                    06/851,145                  10/18/88
4,778,969                    07/019,650                  10/18/88
4,778,971                    07/053,113                  10/18/88
4,778,983                    06/918,064                  10/18/88
4,778,987                    06/914,882                  10/18/88
4,778,993                    07/090,379                  10/18/88
4,779,003                    07/029,963                  10/18/88
4,779,007                    07/014,705                  10/18/88
4,779,009                    06/886,828                  10/18/88
4,779,011                    07/024,717                  10/18/88
4,779,015                    07/053,670                  10/18/88
4,779,042                    06/945,636                  10/18/88
4,779,057                    07/082,395                  10/18/88
4,779,065                    07/043,395                  10/18/88
4,779,072                    07/062,811                  10/18/88
4,779,077                    07/037,647                  10/18/88
4,779,081                    06/894,860                  10/18/88
4,779,082                    07/025,562                  10/18/88
4,779,087                    06/938,193                  10/18/88
4,779,088                    06/799,152                  10/18/88
4,779,095                    06/923,905                  10/18/88
4,779,108                    07/122,058                  10/18/88
4,779,126                    06/908,867                  10/18/88
4,779,146                    06/877,207                  10/18/88
4,779,156                    06/942,707                  10/18/88
4,779,164                    06/941,454                  10/18/88
4,779,181                    06/899,332                  10/18/88
4,779,182                    06/878,047                  10/18/88
4,779,183                    07/076,270                  10/18/88
4,779,188                    07/110,620                  10/18/88
4,779,189                    06/749,898                  10/18/88
4,779,190                    06/937,638                  10/18/88
4,779,197                    07/118,001                  10/18/88
4,779,201                    06/887,400                  10/18/88
4,779,205                    06/886,687                  10/18/88
4,779,212                    06/893,644                  10/18/88
4,779,214                    06/804,466                  10/18/88
4,779,232                    07/052,546                  10/18/88
4,779,234                    06/866,963                  10/18/88
4,779,244                    06/490,577                  10/18/88
4,779,263                    06/856,059                  10/18/88
4,779,270                    07/040,384                  10/18/88
4,779,279                    07/059,231                  10/18/88
4,779,287                    06/930,112                  10/18/88

                   PATENTS WHICH EXPIRED ON October 13, 2000
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,153,940                    07/824,937                  10/13/92
5,153,960                    07/789,656                  10/13/92
5,153,961                    07/675,694                  10/13/92
5,153,966                    07/728,386                  10/13/92
5,153,970                    07/642,019                  10/13/92
5,153,986                    07/731,598                  10/13/92
5,153,987                    07/335,433                  10/13/92
5,153,995                    07/734,544                  10/13/92
5,153,996                    07/804,216                  10/13/92
5,154,001                    07/867,896                  10/13/92
5,154,008                    07/659,429                  10/13/92
5,154,011                    07/369,707                  10/13/92
5,154,016                    07/637,236                  10/13/92
5,154,017                    07/807,244                  10/13/92
5,154,018                    07/829,448                  10/13/92
5,154,022                    07/718,733                  10/13/92
5,154,024                    07/762,614                  10/13/92
5,154,031                    07/675,425                  10/13/92
5,154,035                    07/702,327                  10/13/92
5,154,050                    07/627,690                  10/13/92
5,154,051                    07/600,655                  10/13/92
5,154,052                    07/520,318                  10/13/92
5,154,053                    07/690,825                  10/13/92
5,154,057                    07/645,635                  10/13/92
5,154,058                    07/713,466                  10/13/92
5,154,060                    07/743,942                  10/13/92
5,154,061                    07/735,249                  10/13/92
5,154,062                    07/733,047                  10/13/92
5,154,066                    07/697,428                  10/13/92
5,154,071                    07/635,483                  10/13/92
5,154,074                    07/645,502                  10/13/92
5,154,075                    07/724,809                  10/13/92
5,154,080                    07/756,100                  10/13/92
5,154,081                    07/647,484                  10/13/92
5,154,083                    07/655,665                  10/13/92
5,154,091                    07/765,904                  10/13/92
5,154,097                    07/623,923                  10/13/92
5,154,101                    07/744,269                  10/13/92
5,154,104                    07/757,945                  10/13/92
5,154,109                    07/774,433                  10/13/92
5,154,110                    07/637,451                  10/13/92
5,154,113                    07/840,005                  10/13/92
5,154,118                    07/838,174                  10/13/92
5,154,127                    07/730,010                  10/13/92
5,154,128                    07/623,917                  10/13/92
5,154,132                    07/816,764                  10/13/92
5,154,149                    07/680,911                  10/13/92
5,154,151                    07/658,388                  10/13/92
5,154,153                    07/759,156                  10/13/92
5,154,157                    07/423,948                  10/13/92
5,154,161                    07/516,255                  10/13/92
5,154,164                    07/648,834                  10/13/92
5,154,173                    07/412,905                  10/13/92
5,154,178                    07/595,261                  10/13/92
5,154,180                    07/645,561                  10/13/92
5,154,192                    07/381,762                  10/13/92
5,154,195                    07/630,326                  10/13/92
5,154,196                    07/675,646                  10/13/92
5,154,201                    07/658,689                  10/13/92
5,154,202                    07/704,795                  10/13/92
5,154,214                    07/698,844                  10/13/92
5,154,224                    07/603,142                  10/13/92
5,154,225                    07/613,015                  10/13/92
5,154,228                    07/526,978                  10/13/92
5,154,240                    07/745,325                  10/13/92
5,154,243                    07/736,260                  10/13/92
5,154,247                    07/605,326                  10/13/92
5,154,248                    07/503,869                  10/13/92
5,154,252                    07/686,767                  10/13/92
5,154,254                    07/510,352                  10/13/92
5,154,258                    07/695,518                  10/13/92
5,154,259                    07/602,498                  10/13/92
5,154,265                    07/852,953                  10/13/92
5,154,266                    07/770,907                  10/13/92
5,154,271                    07/728,109                  10/13/92
5,154,284                    07/788,880                  10/13/92
5,154,290                    07/729,039                  10/13/92
5,154,292                    07/801,342                  10/13/92
5,154,298                    07/731,091                  10/13/92
5,154,302                    07/724,830                  10/13/92
5,154,305                    07/707,824                  10/13/92
5,154,306                    07/680,757                  10/13/92
5,154,307                    07/773,861                  10/13/92
5,154,308                    07/732,620                  10/13/92
5,154,315                    07/721,171                  10/13/92
5,154,326                    07/666,129                  10/13/92
5,154,334                    07/799,689                  10/13/92
5,154,337                    07/804,908                  10/13/92
5,154,339                    07/842,263                  10/13/92
5,154,340                    07/724,660                  10/13/92
5,154,341                    07/622,996                  10/13/92
5,154,342                    07/533,925                  10/13/92
5,154,364                    07/590,335                  10/13/92
5,154,367                    07/680,501                  10/13/92
5,154,378                    07/689,927                  10/13/92
5,154,383                    07/780,232                  10/13/92
5,154,386                    07/760,561                  10/13/92
5,154,388                    07/705,544                  10/13/92
5,154,389                    07/757,335                  10/13/92
5,154,390                    07/753,452                  10/13/92
5,154,391                    07/642,676                  10/13/92
5,154,396                    07/735,098                  10/13/92
5,154,402                    07/698,283                  10/13/92
5,154,405                    07/738,987                  10/13/92
5,154,406                    07/454,375                  10/13/92
5,154,410                    07/535,304                  10/13/92
5,154,412                    07/629,677                  10/13/92
5,154,414                    07/819,370                  10/13/92
5,154,417                    07/757,322                  10/13/92
5,154,424                    07/638,271                  10/13/92
5,154,429                    07/840,393                  10/13/92
5,154,431                    07/722,838                  10/13/92
5,154,432                    07/850,919                  10/13/92
5,154,435                    07/802,191                  10/13/92
5,154,443                    07/589,603                  10/13/92
5,154,452                    07/761,727                  10/13/92
5,154,459                    07/822,811                  10/13/92
5,154,461                    07/491,283                  10/13/92
5,154,467                    07/682,188                  10/13/92
5,154,473                    07/526,926                  10/13/92
5,154,476                    07/658,759                  10/13/92
5,154,487                    07/752,762                  10/13/92
5,154,489                    07/656,795                  10/13/92
5,154,492                    07/669,828                  10/13/92
5,154,493                    07/694,080                  10/13/92
5,154,504                    07/606,153                  10/13/92
5,154,505                    07/732,650                  10/13/92
5,154,510                    07/645,994                  10/13/92
5,154,511                    07/802,230                  10/13/92
5,154,513                    07/856,867                  10/13/92
5,154,514                    07/751,490                  10/13/92
5,154,517                    07/686,484                  10/13/92
5,154,527                    07/833,094                  10/13/92
5,154,528                    07/767,518                  10/13/92
5,154,529                    07/681,700                  10/13/92
5,154,538                    07/602,315                  10/13/92
5,154,546                    07/775,792                  10/13/92
5,154,547                    07/846,282                  10/13/92
5,154,552                    07/815,495                  10/13/92
5,154,555                    07/499,340                  10/13/92
5,154,564                    07/789,100                  10/13/92
5,154,566                    07/652,925                  10/13/92
5,154,573                    07/758,579                  10/13/92
5,154,589                    07/610,955                  10/13/92
5,154,591                    07/718,565                  10/13/92
5,154,597                    07/573,401                  10/13/92
5,154,610                    07/432,065                  10/13/92
5,154,616                    07/644,322                  10/13/92
5,154,618                    07/766,476                  10/13/92
5,154,622                    07/768,962                  10/13/92
5,154,630                    07/811,753                  10/13/92
5,154,632                    07/770,153                  10/13/92
5,154,633                    07/637,322                  10/13/92
5,154,637                    07/810,253                  10/13/92
5,154,649                    07/758,986                  10/13/92
5,154,655                    07/614,224                  10/13/92
5,154,657                    07/832,713                  10/13/92
5,154,659                    07/628,095                  10/13/92
5,154,662                    07/748,525                  10/13/92
5,154,667                    07/106,671                  10/13/92
5,154,668                    07/497,219                  10/13/92
5,154,671                    07/718,191                  10/13/92
5,154,679                    07/748,735                  10/13/92
5,154,681                    07/716,892                  10/13/92
5,154,685                    07/802,237                  10/13/92
5,154,687                    07/769,087                  10/13/92
5,154,691                    07/608,275                  10/13/92
5,154,698                    07/777,664                  10/13/92
5,154,703                    07/606,048                  10/13/92
5,154,712                    07/647,583                  10/13/92
5,154,728                    07/827,845                  10/13/92
5,154,740                    07/712,545                  10/13/92
5,154,747                    07/836,557                  10/13/92
5,154,757                    07/783,752                  10/13/92
5,154,763                    07/639,093                  10/13/92
5,154,778                    07/583,313                  10/13/92
5,154,779                    07/837,096                  10/13/92
5,154,780                    07/542,460                  10/13/92
5,154,783                    07/639,569                  10/13/92
5,154,785                    07/669,666                  10/13/92
5,154,786                    07/677,085                  10/13/92
5,154,787                    07/607,579                  10/13/92
5,154,788                    07/725,717                  10/13/92
5,154,791                    07/497,438                  10/13/92
5,154,793                    07/644,716                  10/13/92
5,154,795                    07/535,769                  10/13/92
5,154,797                    07/746,025                  10/13/92
5,154,801                    07/527,973                  10/13/92
5,154,807                    07/814,764                  10/13/92
5,154,811                    07/582,360                  10/13/92
5,154,817                    07/528,293                  10/13/92
5,154,820                    07/538,131                  10/13/92
5,154,824                    07/745,685                  10/13/92
5,154,826                    07/490,693                  10/13/92
5,154,827                    07/468,431                  10/13/92
5,154,830                    07/690,780                  10/13/92
5,154,834                    07/667,655                  10/13/92
5,154,835                    07/804,453                  10/13/92
5,154,841                    07/707,496                  10/13/92
5,154,843                    07/308,179                  10/13/92
5,154,855                    07/611,667                  10/13/92
5,154,857                    07/744,668                  10/13/92
5,154,858                    07/794,884                  10/13/92
5,154,865                    07/692,618                  10/13/92
5,154,867                    07/622,509                  10/13/92
5,154,868                    07/618,596                  10/13/92
5,154,874                    07/668,273                  10/13/92
5,154,875                    07/613,522                  10/13/92
5,154,879                    07/530,296                  10/13/92
5,154,883                    07/477,793                  10/13/92
5,154,897                    07/665,331                  10/13/92
5,154,899                    07/723,122                  10/13/92
5,154,901                    07/755,792                  10/13/92
5,154,902                    07/680,794                  10/13/92
5,154,903                    07/581,773                  10/13/92
5,154,904                    06/924,213                  10/13/92
5,154,917                    07/580,648                  10/13/92
5,154,923                    07/288,080                  10/13/92
5,154,927                    07/542,741                  10/13/92
5,154,937                    07/603,627                  10/13/92
5,154,938                    07/633,017                  10/13/92
5,154,939                    07/789,354                  10/13/92
5,154,950                    07/447,311                  10/13/92
5,154,967                    07/668,811                  10/13/92
5,154,971                    07/736,930                  10/13/92
5,154,972                    07/742,431                  10/13/92
5,154,980                    07/637,795                  10/13/92
5,154,987                    07/553,461                  10/13/92
5,154,999                    07/204,953                  10/13/92
5,155,003                    07/616,982                  10/13/92
5,155,007                    07/675,636                  10/13/92
5,155,008                    07/570,450                  10/13/92
5,155,009                    07/570,443                  10/13/92
5,155,011                    07/613,000                  10/13/92
5,155,014                    07/746,800                  10/13/92
5,155,020                    07/320,471                  10/13/92
5,155,023                    07/478,156                  10/13/92
5,155,025                    07/837,579                  10/13/92
5,155,043                    07/498,265                  10/13/92
5,155,047                    07/585,186                  10/13/92
5,155,048                    07/672,399                  10/13/92
5,155,060                    07/656,725                  10/13/92
5,155,073                    07/690,501                  10/13/92
5,155,076                    07/636,856                  10/13/92
5,155,077                    07/753,780                  10/13/92
5,155,091                    07/727,063                  10/13/92
5,155,094                    07/174,760                  10/13/92
5,155,099                    07/598,607                  10/13/92
5,155,100                    07/694,533                  10/13/92
5,155,102                    07/718,645                  10/13/92
5,155,107                    07/650,970                  10/13/92
5,155,112                    07/617,160                  10/13/92
5,155,121                    07/739,747                  10/13/92
5,155,124                    07/528,384                  10/13/92
5,155,125                    07/600,872                  10/13/92
5,155,126                    07/703,032                  10/13/92
5,155,130                    07/595,153                  10/13/92
5,155,131                    07/823,913                  10/13/92
5,155,140                    07/690,970                  10/13/92
5,155,141                    07/858,053                  10/13/92
5,155,144                    07/605,582                  10/13/92
5,155,150                    07/868,645                  10/13/92
5,155,155                    07/749,694                  10/13/92
5,155,156                    07/344,770                  10/13/92
5,155,163                    07/563,235                  10/13/92
5,155,168                    07/633,464                  10/13/92
5,155,179                    07/514,917                  10/13/92
5,155,183                    07/685,776                  10/13/92
5,155,203                    07/413,154                  10/13/92
5,155,204                    07/752,948                  10/13/92
5,155,206                    07/345,062                  10/13/92
5,155,211                    07/437,544                  10/13/92
5,155,213                    07/783,198                  10/13/92
5,155,226                    07/656,389                  10/13/92
5,155,227                    07/561,920                  10/13/92
5,155,231                    07/604,504                  10/13/92
5,155,240                    07/668,656                  10/13/92
5,155,241                    07/772,556                  10/13/92
5,155,244                    07/488,719                  10/13/92
5,155,252                    07/564,878                  10/13/92
5,155,256                    07/718,624                  10/13/92
5,155,259                    07/742,352                  10/13/92
5,155,260                    07/698,081                  10/13/92
5,155,263                    07/767,359                  10/13/92
5,155,264                    07/715,965                  10/13/92
5,155,270                    07/754,664                  10/13/92
5,155,277                    07/712,389                  10/13/92
5,155,281                    06/640,187                  10/13/92
5,155,284                    07/596,374                  10/13/92
5,155,287                    07/661,385                  10/13/92
5,155,289                    07/724,177                  10/13/92
5,155,312                    07/668,128                  10/13/92
5,155,324                    07/611,025                  10/13/92
5,155,325                    07/740,787                  10/13/92
5,155,329                    07/638,533                  10/13/92
5,155,335                    07/595,959                  10/13/92
5,155,339                    07/744,927                  10/13/92
5,155,364                    07/499,434                  10/13/92
5,155,372                    07/797,877                  10/13/92
5,155,378                    07/361,872                  10/13/92
5,155,396                    07/592,169                  10/13/92
5,155,397                    07/630,277                  10/13/92
5,155,399                    07/785,722                  10/13/92
5,155,400                    07/769,211                  10/13/92
5,155,459                    07/689,233                  10/13/92
5,155,464                    07/543,932                  10/13/92
5,155,474                    07/723,053                  10/13/92
5,155,478                    07/411,089                  10/13/92
5,155,482                    07/693,984                  10/13/92
5,155,490                    07/598,389                  10/13/92
5,155,496                    07/449,936                  10/13/92
5,155,501                    07/684,055                  10/13/92
5,155,504                    07/734,981                  10/13/92
5,155,506                    07/648,230                  10/13/92
5,155,507                    07/791,526                  10/13/92
5,155,512                    07/725,097                  10/13/92
5,155,529                    07/850,225                  10/13/92
5,155,531                    07/589,075                  10/13/92
5,155,542                    07/603,331                  10/13/92
5,155,543                    07/570,631                  10/13/92
5,155,546                    07/709,598                  10/13/92
5,155,550                    07/698,118                  10/13/92
5,155,568                    07/338,871                  10/13/92
5,155,572                    07/680,490                  10/13/92
5,155,577                    07/638,305                  10/13/92
5,155,588                    07/476,055                  10/13/92
5,155,603                    07/657,475                  10/13/92
5,155,613                    07/752,181                  10/13/92
5,155,614                    07/780,422                  10/13/92
5,155,617                    07/714,571                  10/13/92
5,155,626                    07/623,182                  10/13/92
5,155,634                    07/386,796                  10/13/92
5,155,642                    07/714,325                  10/13/92
5,155,649                    07/592,454                  10/13/92
5,155,652                    07/694,698                  10/13/92
5,155,653                    07/745,221                  10/13/92
5,155,666                    07/631,401                  10/13/92
5,155,669                    07/424,178                  10/13/92
5,155,670                    07/764,631                  10/13/92
5,155,676                    07/786,625                  10/13/92
5,155,677                    07/860,110                  10/13/92
5,155,681                    07/704,860                  10/13/92
5,155,684                    07/732,340                  10/13/92
5,155,686                    07/530,361                  10/13/92
5,155,691                    07/534,172                  10/13/92
5,155,692                    07/396,259                  10/13/92
5,155,697                    07/648,120                  10/13/92
5,155,703                    07/548,809                  10/13/92
5,155,705                    07/746,011                  10/13/92
5,155,708                    07/661,075                  10/13/92
5,155,712                    07/870,864                  10/13/92
5,155,718                    07/299,530                  10/13/92
5,155,724                    07/589,310                  10/13/92
5,155,747                    07/672,445                  10/13/92
5,155,748                    07/680,499                  10/13/92
5,155,753                    07/647,700                  10/13/92
5,155,754                    07/770,247                  10/13/92
5,155,758                    07/511,389                  10/13/92
5,155,773                    07/594,734                  10/13/92
5,155,774                    07/632,930                  10/13/92
5,155,783                    07/810,116                  10/13/92
5,155,791                    07/761,598                  10/13/92
5,155,799                    07/606,458                  10/13/92
5,155,810                    07/295,683                  10/13/92
5,155,826                    07/280,048                  10/13/92
5,155,830                    07/355,605                  10/13/92
5,155,831                    07/342,493                  10/13/92
5,155,833                    07/048,151                  10/13/92
5,155,838                    07/344,603                  10/13/92
5,155,852                    07/311,815                  10/13/92
5,155,858                    07/726,143                  10/13/92
5,155,862                    07/427,850                  10/13/92

                   PATENTS WHICH EXPIRED ON October 15, 2000
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

5,564,122                    08/265,280                  10/15/96
5,564,123                    08/418,024                  10/15/96
5,564,129                    08/545,222                  10/15/96
5,564,132                    08/491,231                  10/15/96
5,564,133                    08/342,415                  10/15/96
5,564,135                    08/530,473                  10/15/96
5,564,138                    08/403,210                  10/15/96
5,564,146                    08/499,823                  10/15/96
5,564,148                    08/526,697                  10/15/96
5,564,153                    08/295,825                  10/15/96
5,564,154                    08/429,932                  10/15/96
5,564,156                    08/360,553                  10/15/96
5,564,158                    08/313,280                  10/15/96
5,564,159                    08/249,880                  10/15/96
5,564,162                    08/408,043                  10/15/96
5,564,169                    08/162,640                  10/15/96
5,564,182                    08/438,026                  10/15/96
5,564,190                    08/567,273                  10/15/96
5,564,192                    08/490,583                  10/15/96
5,564,201                    08/530,487                  10/15/96
5,564,204                    08/459,487                  10/15/96
5,564,212                    08/489,147                  10/15/96
5,564,213                    08/235,559                  10/15/96
5,564,215                    08/489,145                  10/15/96
5,564,218                    08/326,366                  10/15/96
5,564,220                    08/220,112                  10/15/96
5,564,225                    08/420,502                  10/15/96
5,564,226                    08/548,881                  10/15/96
5,564,236                    08/376,848                  10/15/96
5,564,238                    08/248,710                  10/15/96
5,564,239                    08/600,093                  10/15/96
5,564,242                    08/253,280                  10/15/96
5,564,244                    08/146,318                  10/15/96
5,564,245                    08/245,421                  10/15/96
5,564,252                    08/507,821                  10/15/96
5,564,267                    08/438,404                  10/15/96
5,564,268                    08/225,852                  10/15/96
5,564,271                    08/267,102                  10/15/96
5,564,272                    08/282,990                  10/15/96
5,564,276                    08/394,096                  10/15/96
5,564,279                    08/392,858                  10/15/96
5,564,280                    08/254,161                  10/15/96
5,564,281                    08/471,261                  10/15/96
5,564,282                    08/240,000                  10/15/96
5,564,284                    08/283,243                  10/15/96
5,564,289                    08/407,649                  10/15/96
5,564,293                    08/455,036                  10/15/96
5,564,297                    08/307,176                  10/15/96
5,564,302                    08/500,773                  10/15/96
5,564,309                    08/288,612                  10/15/96
5,564,311                    08/379,141                  10/15/96
5,564,313                    08/348,195                  10/15/96
5,564,321                    08/415,313                  10/15/96
5,564,329                    08/587,703                  10/15/96
5,564,333                    08/537,996                  10/15/96
5,564,345                    08/060,244                  10/15/96
5,564,346                    08/361,860                  10/15/96
5,564,353                    08/337,549                  10/15/96
5,564,355                    07/828,367                  10/15/96
5,564,361                    08/531,323                  10/15/96
5,564,364                    08/366,248                  10/15/96
5,564,365                    08/374,324                  10/15/96
5,564,367                    08/218,746                  10/15/96
5,564,372                    08/478,550                  10/15/96
5,564,378                    08/530,761                  10/15/96
5,564,381                    08/334,551                  10/15/96
5,564,399                    08/307,639                  10/15/96
5,564,402                    08/373,205                  10/15/96
5,564,420                    08/422,152                  10/15/96
5,564,425                    08/295,376                  10/15/96
5,564,429                    08/309,253                  10/15/96
5,564,431                    08/340,523                  10/15/96
5,564,433                    08/359,183                  10/15/96
5,564,441                    08/299,631                  10/15/96
5,564,443                    08/284,481                  10/15/96
5,564,444                    07/958,000                  10/15/96
5,564,450                    08/415,692                  10/15/96
5,564,451                    08/391,533                  10/15/96
5,564,456                    08/476,727                  10/15/96
5,564,474                    08/315,622                  10/15/96
5,564,480                    08/393,918                  10/15/96
5,564,487                    08/170,047                  10/15/96
5,564,492                    08/309,254                  10/15/96
5,564,494                    08/291,115                  10/15/96
5,564,523                    08/405,819                  10/15/96
5,564,524                    08/306,960                  10/15/96
5,564,535                    08/413,551                  10/15/96
5,564,539                    08/319,582                  10/15/96
5,564,543                    08/432,645                  10/15/96
5,564,544                    08/229,838                  10/15/96
5,564,547                    08/386,638                  10/15/96
5,564,549                    08/308,732                  10/15/96
5,564,556                    08/388,418                  10/15/96
5,564,566                    08/452,889                  10/15/96
5,564,569                    08/371,865                  10/15/96
5,564,571                    08/458,161                  10/15/96
5,564,577                    08/294,208                  10/15/96
5,564,581                    08/518,445                  10/15/96
5,564,583                    08/439,655                  10/15/96
5,564,588                    07/747,994                  10/15/96
5,564,589                    08/384,748                  10/15/96
5,564,605                    08/377,174                  10/15/96
5,564,611                    08/409,702                  10/15/96
5,564,623                    08/076,309                  10/15/96
5,564,639                    08/249,351                  10/15/96
5,564,645                    08/394,101                  10/15/96
5,564,653                    08/262,752                  10/15/96
5,564,654                    08/322,706                  10/15/96
5,564,660                    08/305,011                  10/15/96
5,564,661                    08/225,961                  10/15/96
5,564,664                    08/314,066                  10/15/96
5,564,668                    08/389,112                  10/15/96
5,564,671                    08/576,969                  10/15/96
5,564,678                    08/451,680                  10/15/96
5,564,687                    08/486,352                  10/15/96
5,564,696                    08/325,420                  10/15/96
5,564,700                    08/387,101                  10/15/96
5,564,702                    08/448,232                  10/15/96
5,564,703                    08/546,691                  10/15/96
5,564,704                    08/458,118                  10/15/96
5,564,707                    08/535,567                  10/15/96
5,564,710                    08/502,737                  10/15/96
5,564,711                    08/500,549                  10/15/96
5,564,714                    08/155,310                  10/15/96
5,564,720                    08/275,628                  10/15/96
5,564,722                    08/343,373                  10/15/96
5,564,726                    08/428,007                  10/15/96
5,564,728                    08/288,054                  10/15/96
5,564,729                    08/420,732                  10/15/96
5,564,747                    08/408,391                  10/15/96
5,564,750                    08/435,085                  10/15/96
5,564,755                    08/338,525                  10/15/96
5,564,757                    08/306,971                  10/15/96
5,564,762                    08/444,669                  10/15/96
5,564,767                    08/294,447                  10/15/96
5,564,770                    08/514,825                  10/15/96
5,564,773                    08/356,698                  10/15/96
5,564,775                    08/323,030                  10/15/96
5,564,777                    08/486,601                  10/15/96
5,564,779                    08/168,604                  10/15/96
5,564,781                    08/381,287                  10/15/96
5,564,782                    08/382,882                  10/15/96
5,564,788                    08/246,285                  10/15/96
5,564,793                    08/246,251                  10/15/96
5,564,798                    07/938,155                  10/15/96
5,564,799                    08/333,994                  10/15/96
5,564,801                    08/331,539                  10/15/96
5,564,802                    08/528,232                  10/15/96
5,564,805                    08/176,860                  10/15/96
5,564,814                    08/315,243                  10/15/96
5,564,816                    08/425,891                  10/15/96
5,564,822                    08/453,197                  10/15/96
5,564,823                    08/417,203                  10/15/96
5,564,831                    08/185,743                  10/15/96
5,564,835                    08/316,873                  10/15/96
5,564,838                    08/416,075                  10/15/96
5,564,855                    08/251,181                  10/15/96
5,564,858                    08/293,652                  10/15/96
5,564,866                    08/419,083                  10/15/96
5,564,883                    08/303,765                  10/15/96
5,564,884                    08/490,053                  10/15/96
5,564,887                    08/427,191                  10/15/96
5,564,888                    08/126,986                  10/15/96
5,564,912                    08/533,270                  10/15/96
5,564,913                    08/511,442                  10/15/96
5,564,922                    08/244,004                  10/15/96
5,564,925                    08/427,157                  10/15/96
5,564,931                    08/248,121                  10/15/96
5,564,932                    08/339,903                  10/15/96
5,564,938                    08/384,255                  10/15/96
5,564,950                    08/262,048                  10/15/96
5,564,956                    08/515,253                  10/15/96
5,564,963                    08/114,934                  10/15/96
5,564,964                    08/295,962                  10/15/96
5,564,976                    08/391,562                  10/15/96
5,564,980                    08/386,264                  10/15/96
5,564,981                    08/194,576                  10/15/96
5,564,982                    08/238,241                  10/15/96
5,564,987                    08/505,174                  10/15/96
5,564,992                    08/221,337                  10/15/96
5,564,995                    08/407,419                  10/15/96
5,564,996                    08/488,915                  10/15/96
5,565,004                    08/453,903                  10/15/96
5,565,010                    08/147,131                  10/15/96
5,565,035                    08/616,031                  10/15/96
5,565,061                    08/259,508                  10/15/96
5,565,068                    08/490,927                  10/15/96
5,565,083                    08/314,764                  10/15/96
5,565,084                    08/478,732                  10/15/96
5,565,092                    08/214,336                  10/15/96
5,565,096                    08/505,678                  10/15/96
5,565,097                    08/415,606                  10/15/96
5,565,100                    08/606,725                  10/15/96
5,565,101                    08/389,145                  10/15/96
5,565,102                    08/333,385                  10/15/96
5,565,107                    08/338,491                  10/15/96
5,565,124                    08/331,982                  10/15/96
5,565,127                    08/295,804                  10/15/96
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