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 January 17, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                          Serial                           Issue
Number                          Number                           Date

4,797,952                       07/096,443                       01/17/89
4,797,955                       07/076,344                       01/17/89
4,797,958                       06/904,004                       01/17/89
4,797,960                       07/013,687                       01/17/89
4,797,968                       07/192,602                       01/17/89
4,797,969                       07/001,763                       01/17/89
4,797,970                       07/158,561                       01/17/89
4,797,972                       06/618,131                       01/17/89
4,797,980                       07/067,411                       01/17/89
4,797,983                       07/017,522                       01/17/89
4,798,021                       07/068,119                       01/17/89
4,798,023                       07/015,330                       01/17/89
4,798,026                       07/050,027                       01/17/89
4,798,027                       07/091,879                       01/17/89
4,798,028                       07/126,423                       01/17/89
4,798,034                       07/003,138                       01/17/89
4,798,039                       07/096,020                       01/17/89
4,798,043                       07/088,136                       01/17/89
4,798,049                       07/069,485                       01/17/89
4,798,054                       07/106,428                       01/17/89
4,798,058                       07/082,707                       01/17/89
4,798,068                       07/124,249                       01/17/89
4,798,087                       07/087,192                       01/17/89
4,798,100                       07/098,235                       01/17/89
4,798,105                       06/897,475                       01/17/89
4,798,113                       06/851,712                       01/17/89
4,798,114                       07/052,948                       01/17/89
4,798,118                       07/161,042                       01/17/89
4,798,130                       07/128,062                       01/17/89
4,798,145                       06/450,439                       01/17/89
4,798,148                       07/127,087                       01/17/89
4,798,150                       07/125,249                       01/17/89
4,798,152                       07/078,423                       01/17/89
4,798,155                       06/606,515                       01/17/89
4,798,171                       07/071,414                       01/17/89
4,798,172                       06/908,400                       01/17/89
4,798,184                       06/931,536                       01/17/89
4,798,185                       07/134,223                       01/17/89
4,798,192                       07/100,057                       01/17/89
4,798,201                       06/947,613                       01/17/89
4,798,211                       06/856,502                       01/17/89
4,798,213                       07/094,503                       01/17/89
4,798,227                       07/043,618                       01/17/89
4,798,232                       07/012,908                       01/17/89
4,798,236                       06/848,280                       01/17/89
4,798,238                       06/267,519                       01/17/89
4,798,248                       07/088,243                       01/17/89
4,798,253                       07/077,187                       01/17/89
4,798,256                       07/111,820                       01/17/89
4,798,258                       06/947,724                       01/17/89
4,798,263                       07/052,789                       01/17/89
4,798,266                       07/017,766                       01/17/89
4,798,268                       07/111,942                       01/17/89
4,798,269                       06/893,694                       01/17/89
4,798,285                       07/129,567                       01/17/89
4,798,291                       07/088,907                       01/17/89
4,798,294                       07/091,673                       01/17/89
4,798,297                       06/636,735                       01/17/89
4,798,304                       07/105,573                       01/17/89
4,798,305                       07/120,881                       01/17/89
4,798,309                       07/046,729                       01/17/89
4,798,314                       07/089,388                       01/17/89
4,798,318                       06/915,813                       01/17/89
4,798,329                       07/021,231                       01/17/89
4,798,334                       07/100,827                       01/17/89
4,798,335                       07/097,651                       01/17/89
4,798,336                       06/948,356                       01/17/89
4,798,337                       07/075,468                       01/17/89
4,798,342                       07/141,831                       01/17/89
4,798,356                       07/086,263                       01/17/89
4,798,370                       07/180,138                       01/17/89
4,798,375                       07/061,517                       01/17/89
4,798,376                       07/121,122                       01/17/89
4,798,384                       07/055,803                       01/17/89
4,798,389                       07/029,548                       01/17/89
4,798,391                       07/051,169                       01/17/89
4,798,412                       07/136,136                       01/17/89
4,798,424                       07/101,475                       01/17/89
4,798,426                       07/136,464                       01/17/89
4,798,427                       06/872,648                       01/17/89
4,798,434                       07/094,574                       01/17/89
4,798,443                       06/386,532                       01/17/89
4,798,447                       07/053,602                       01/17/89
4,798,449                       07/040,905                       01/17/89
4,798,466                       07/005,694                       01/17/89
4,798,477                       06/865,726                       01/17/89
4,798,483                       07/078,962                       01/17/89
4,798,485                       07/027,188                       01/17/89
4,798,488                       07/048,999                       01/17/89
4,798,499                       06/863,307                       01/17/89
4,798,501                       07/089,739                       01/17/89
4,798,511                       06/946,221                       01/17/89
4,798,512                       07/096,419                       01/17/89
4,798,518                       06/356,492                       01/17/89
4,798,538                       07/053,760                       01/17/89
4,798,541                       07/092,860                       01/17/89
4,798,549                       07/059,326                       01/17/89
4,798,556                       06/891,787                       01/17/89
4,798,563                       07/130,180                       01/17/89
4,798,564                       07/095,007                       01/17/89
4,798,570                       06/448,138                       01/17/89
4,798,581                       07/112,343                       01/17/89
4,798,588                       07/031,258                       01/17/89
4,798,590                       06/554,617                       01/17/89
4,798,604                       07/052,855                       01/17/89
4,798,618                       06/447,651                       01/17/89
4,798,625                       07/090,346                       01/17/89
4,798,641                       06/907,288                       01/17/89
4,798,647                       07/148,292                       01/17/89
4,798,648                       07/025,411                       01/17/89
4,798,665                       07/043,079                       01/17/89
4,798,684                       07/059,884                       01/17/89
4,798,685                       06/920,474                       01/17/89
4,798,690                       06/926,617                       01/17/89
4,798,696                       07/047,781                       01/17/89
4,798,706                       07/032,875                       01/17/89
4,798,715                       07/152,709                       01/17/89
4,798,717                       07/035,620                       01/17/89
4,798,735                       07/069,265                       01/17/89
4,798,737                       07/035,609                       01/17/89
4,798,744                       07/044,500                       01/17/89
4,798,745                       07/088,327                       01/17/89
4,798,753                       07/157,156                       01/17/89
4,798,754                       07/085,721                       01/17/89
4,798,758                       07/023,854                       01/17/89
4,798,766                       07/089,510                       01/17/89
4,798,775                       07/011,363                       01/17/89
4,798,787                       06/661,909                       01/17/89
4,798,789                       06/942,600                       01/17/89
4,798,799                       06/903,858                       01/17/89
4,798,802                       07/078,567                       01/17/89
4,798,804                       07/010,934                       01/17/89
4,798,811                       07/141,535                       01/17/89
4,798,814                       07/088,903                       01/17/89
4,798,816                       06/943,911                       01/17/89
4,798,832                       07/037,786                       01/17/89
4,798,844                       07/038,006                       01/17/89
4,798,846                       06/497,768                       01/17/89
4,798,852                       07/007,456                       01/17/89
4,798,860                       07/088,166                       01/17/89
4,798,871                       07/064,967                       01/17/89
4,798,876                       06/797,407                       01/17/89
4,798,877                       06/720,769                       01/17/89
4,798,886                       07/025,269                       01/17/89
4,798,889                       07/120,256                       01/17/89
4,798,898                       06/755,834                       01/17/89
4,798,901                       07/127,922                       01/17/89
4,798,903                       07/160,258                       01/17/89
4,798,904                       07/119,930                       01/17/89
4,798,907                       07/160,615                       01/17/89
4,798,909                       06/555,422                       01/17/89
4,798,911                       07/075,375                       01/17/89
4,798,912                       07/118,816                       01/17/89
4,798,913                       07/140,991                       01/17/89
4,798,915                       07/027,548                       01/17/89
4,798,920                       07/023,926                       01/17/89
4,798,924                       07/194,019                       01/17/89
4,798,926                       07/022,885                       01/17/89
4,798,927                       07/018,464                       01/17/89
4,798,945                       07/008,793                       01/17/89
4,798,951                       07/132,409                       01/17/89
4,798,957                       07/131,252                       01/17/89
4,798,965                       07/065,804                       01/17/89
4,798,966                       06/910,206                       01/17/89
4,798,976                       07/120,431                       01/17/89
4,798,983                       07/053,339                       01/17/89
4,798,989                       07/101,233                       01/17/89
4,798,994                       07/093,450                       01/17/89
4,799,014                       07/131,433                       01/17/89
4,799,026                       07/097,249                       01/17/89
4,799,029                       07/124,335                       01/17/89
4,799,032                       07/084,190                       01/17/89
4,799,037                       07/092,944                       01/17/89
4,799,048                       07/060,959                       01/17/89
4,799,050                       06/922,186                       01/17/89
4,799,058                       06/791,758                       01/17/89
4,799,064                       07/043,143                       01/17/89
4,799,076                       07/040,868                       01/17/89
4,799,078                       07/156,902                       01/17/89
4,799,080                       06/918,500                       01/17/89
4,799,088                       06/286,863                       01/17/89
4,799,102                       07/089,392                       01/17/89
4,799,105                       07/097,371                       01/17/89
4,799,108                       07/086,965                       01/17/89
4,799,122                       07/010,896                       01/17/89
4,799,128                       07/042,620                       01/17/89
4,799,138                       07/098,390                       01/17/89
4,799,144                       06/659,989                       01/17/89
4,799,152                       06/660,465                       01/17/89
4,799,155                       06/948,111                       01/17/89
4,799,162                       06/923,093                       01/17/89
4,799,170                       06/841,104                       01/17/89
4,799,172                       06/857,849                       01/17/89
4,799,180                       06/924,808                       01/17/89
4,799,181                       06/913,810                       01/17/89
4,799,189                       06/759,216                       01/17/89
4,799,192                       06/901,514                       01/17/89
4,799,201                       06/562,269                       01/17/89
4,799,202                       06/423,941                       01/17/89
4,799,209                       07/076,824                       01/17/89
4,799,219                       07/077,484                       01/17/89
4,799,220                       07/016,685                       01/17/89
4,799,236                       07/053,987                       01/17/89
4,799,243                       07/091,622                       01/17/89
4,799,250                       07/003,142                       01/17/89
4,799,266                       07/125,205                       01/17/89

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

Patent                          Serial                           Issue
Number                          Number                           Date

5,177,810                       07/701,708                       01/12/93
5,177,811                       07/816,331                       01/12/93
5,177,813                       07/803,175                       01/12/93
5,177,820                       07/781,834                       01/12/93
5,177,832                       07/685,623                       01/12/93
5,177,835                       07/778,271                       01/12/93
5,177,838                       07/662,749                       01/12/93
5,177,844                       07/821,460                       01/12/93
5,177,846                       07/807,500                       01/12/93
5,177,849                       07/644,937                       01/12/93
5,177,850                       07/770,464                       01/12/93
5,177,853                       07/871,018                       01/12/93
5,177,868                       07/871,960                       01/12/93
5,177,875                       07/569,567                       01/12/93
5,177,879                       07/835,364                       01/12/93
5,177,890                       07/633,486                       01/12/93
5,177,893                       07/727,807                       01/12/93
5,177,896                       07/793,174                       01/12/93
5,177,897                       07/563,034                       01/12/93
5,177,900                       07/749,425                       01/12/93
5,177,904                       07/755,558                       01/12/93
5,177,905                       07/853,093                       01/12/93
5,177,907                       07/790,510                       01/12/93
5,177,909                       07/597,385                       01/12/93
5,177,910                       07/582,496                       01/12/93
5,177,915                       07/759,186                       01/12/93
5,177,917                       07/801,511                       01/12/93
5,177,921                       07/481,915                       01/12/93
5,177,924                       07/869,836                       01/12/93
5,177,926                       07/688,994                       01/12/93
5,177,935                       07/687,320                       01/12/93
5,177,936                       07/792,180                       01/12/93
5,177,938                       07/743,702                       01/12/93
5,177,944                       07/788,605                       01/12/93
5,177,947                       07/745,742                       01/12/93
5,177,949                       07/799,765                       01/12/93
5,177,957                       07/662,442                       01/12/93
5,177,961                       07/722,607                       01/12/93
5,177,965                       07/873,390                       01/12/93
5,177,967                       07/733,450                       01/12/93
5,177,978                       07/738,244                       01/12/93
5,177,979                       07/727,130                       01/12/93
5,177,983                       07/431,821                       01/12/93
5,177,985                       07/869,460                       01/12/93
5,177,992                       07/747,959                       01/12/93
5,177,996                       07/796,565                       01/12/93
5,177,997                       07/762,818                       01/12/93
5,177,999                       07/833,814                       01/12/93
5,178,009                       07/705,011                       01/12/93
5,178,011                       07/567,895                       01/12/93
5,178,012                       07/803,804                       01/12/93
5,178,014                       07/780,186                       01/12/93
5,178,016                       07/710,253                       01/12/93
5,178,017                       07/767,401                       01/12/93
5,178,019                       07/674,957                       01/12/93
5,178,031                       07/827,721                       01/12/93
5,178,032                       07/770,209                       01/12/93
5,178,037                       07/776,119                       01/12/93
5,178,040                       07/575,972                       01/12/93
5,178,042                       07/610,024                       01/12/93
5,178,044                       07/718,448                       01/12/93
5,178,049                       07/808,679                       01/12/93
5,178,054                       07/747,836                       01/12/93
5,178,055                       07/696,795                       01/12/93
5,178,057                       07/834,479                       01/12/93
5,178,063                       07/526,763                       01/12/93
5,178,067                       07/701,486                       01/12/93
5,178,071                       07/824,677                       01/12/93
5,178,077                       07/794,604                       01/12/93
5,178,079                       07/823,886                       01/12/93
5,178,084                       07/753,706                       01/12/93
5,178,085                       07/842,303                       01/12/93
5,178,092                       07/739,090                       01/12/93
5,178,096                       07/833,481                       01/12/93
5,178,097                       07/714,591                       01/12/93
5,178,099                       07/884,071                       01/12/93
5,178,106                       07/661,695                       01/12/93
5,178,108                       07/883,517                       01/12/93
5,178,109                       07/851,025                       01/12/93
5,178,110                       07/752,434                       01/12/93
5,178,112                       07/809,324                       01/12/93
5,178,115                       07/816,776                       01/12/93
5,178,119                       07/804,996                       01/12/93
5,178,122                       07/775,479                       01/12/93
5,178,125                       07/828,044                       01/12/93
5,178,127                       07/586,663                       01/12/93
5,178,131                       07/693,804                       01/12/93
5,178,136                       07/226,189                       01/12/93
5,178,141                       07/526,885                       01/12/93
5,178,146                       07/784,660                       01/12/93
5,178,153                       06/776,118                       01/12/93
5,178,156                       07/537,028                       01/12/93
5,178,160                       07/727,060                       01/12/93
5,178,161                       07/671,640                       01/12/93
5,178,169                       07/803,593                       01/12/93
5,178,170                       07/736,526                       01/12/93
5,178,175                       07/894,083                       01/12/93
5,178,176                       07/716,080                       01/12/93
5,178,178                       07/725,953                       01/12/93
5,178,181                       07/786,706                       01/12/93
5,178,188                       07/828,356                       01/12/93
5,178,189                       07/896,398                       01/12/93
5,178,190                       07/800,491                       01/12/93
5,178,195                       07/769,490                       01/12/93
5,178,196                       07/686,994                       01/12/93
5,178,202                       07/721,083                       01/12/93
5,178,203                       07/897,323                       01/12/93
5,178,217                       07/739,213                       01/12/93
5,178,220                       07/619,959                       01/12/93
5,178,227                       07/681,523                       01/12/93
5,178,238                       07/608,150                       01/12/93
5,178,239                       07/641,295                       01/12/93
5,178,243                       07/697,872                       01/12/93
5,178,253                       07/749,881                       01/12/93
5,178,257                       07/852,795                       01/12/93
5,178,264                       07/718,189                       01/12/93
5,178,266                       07/810,756                       01/12/93
5,178,273                       07/850,671                       01/12/93
5,178,274                       07/792,169                       01/12/93
5,178,278                       07/814,485                       01/12/93
5,178,283                       07/642,300                       01/12/93
5,178,292                       07/695,542                       01/12/93
5,178,299                       07/871,131                       01/12/93
5,178,310                       07/691,795                       01/12/93
5,178,311                       07/606,624                       01/12/93
5,178,315                       07/829,636                       01/12/93
5,178,320                       07/878,621                       01/12/93
5,178,321                       07/834,805                       01/12/93
5,178,327                       07/739,401                       01/12/93
5,178,328                       07/809,426                       01/12/93
5,178,344                       07/759,515                       01/12/93
5,178,350                       07/625,283                       01/12/93
5,178,353                       07/886,308                       01/12/93
5,178,355                       07/709,477                       01/12/93
5,178,361                       07/908,206                       01/12/93
5,178,362                       07/776,221                       01/12/93
5,178,367                       07/556,359                       01/12/93
5,178,377                       07/691,569                       01/12/93
5,178,381                       07/671,820                       01/12/93
5,178,382                       07/714,455                       01/12/93
5,178,385                       07/793,571                       01/12/93
5,178,396                       07/839,408                       01/12/93
5,178,397                       07/846,513                       01/12/93
5,178,398                       07/767,429                       01/12/93
5,178,401                       07/738,647                       01/12/93
5,178,404                       07/818,356                       01/12/93
5,178,405                       07/614,920                       01/12/93
5,178,413                       07/770,568                       01/12/93
5,178,414                       07/749,860                       01/12/93
5,178,425                       07/753,948                       01/12/93
5,178,426                       07/815,699                       01/12/93
5,178,427                       07/824,528                       01/12/93
5,178,430                       07/851,834                       01/12/93
5,178,431                       07/899,145                       01/12/93
5,178,438                       07/652,174                       01/12/93
5,178,440                       07/765,761                       01/12/93
5,178,442                       07/730,541                       01/12/93
5,178,444                       07/660,409                       01/12/93
5,178,446                       07/791,982                       01/12/93
5,178,456                       07/620,862                       01/12/93
5,178,463                       07/807,029                       01/12/93
5,178,466                       07/804,556                       01/12/93
5,178,472                       07/805,170                       01/12/93
5,178,481                       07/807,416                       01/12/93
5,178,490                       07/908,275                       01/12/93
5,178,494                       07/766,358                       01/12/93
5,178,495                       07/612,303                       01/12/93
5,178,498                       07/713,209                       01/12/93
5,178,505                       07/756,035                       01/12/93
5,178,507                       07/756,541                       01/12/93
5,178,510                       07/738,592                       01/12/93
5,178,511                       07/855,300                       01/12/93
5,178,520                       07/718,552                       01/12/93
5,178,522                       07/704,351                       01/12/93
5,178,523                       07/405,132                       01/12/93
5,178,530                       07/854,002                       01/12/93
5,178,534                       07/860,560                       01/12/93
5,178,535                       07/613,911                       01/12/93
5,178,536                       07/675,928                       01/12/93
5,178,537                       07/482,783                       01/12/93
5,178,538                       07/608,340                       01/12/93
5,178,539                       07/688,535                       01/12/93
5,178,541                       07/806,228                       01/12/93
5,178,543                       07/693,477                       01/12/93
5,178,544                       07/734,934                       01/12/93
5,178,550                       07/513,382                       01/12/93
5,178,555                       07/771,076                       01/12/93
5,178,559                       07/904,625                       01/12/93
5,178,564                       07/793,975                       01/12/93
5,178,570                       07/720,002                       01/12/93
5,178,574                       07/777,003                       01/12/93
5,178,577                       07/759,441                       01/12/93
5,178,594                       07/906,408                       01/12/93
5,178,596                       07/806,473                       01/12/93
5,178,599                       07/658,105                       01/12/93
5,178,609                       07/710,636                       01/12/93
5,178,613                       07/761,557                       01/12/93
5,178,616                       07/845,825                       01/12/93
5,178,617                       07/727,560                       01/12/93
5,178,624                       07/720,371                       01/12/93
5,178,632                       07/895,844                       01/12/93
5,178,634                       07/765,000                       01/12/93
5,178,647                       07/762,081                       01/12/93
5,178,648                       07/727,995                       01/12/93
5,178,649                       07/454,791                       01/12/93
5,178,662                       07/807,129                       01/12/93
5,178,663                       07/779,238                       01/12/93
5,178,665                       07/649,387                       01/12/93
5,178,679                       07/702,826                       01/12/93
5,178,682                       07/687,154                       01/12/93
5,178,696                       07/749,303                       01/12/93
5,178,697                       07/690,756                       01/12/93
5,178,701                       07/710,752                       01/12/93
5,178,704                       07/469,467                       01/12/93
5,178,708                       07/820,374                       01/12/93
5,178,709                       07/832,655                       01/12/93
5,178,735                       07/462,288                       01/12/93
5,178,736                       07/733,202                       01/12/93
5,178,738                       07/698,387                       01/12/93
5,178,742                       07/665,769                       01/12/93
5,178,743                       07/649,311                       01/12/93
5,178,759                       07/603,873                       01/12/93
5,178,764                       07/797,126                       01/12/93
5,178,768                       07/932,596                       01/12/93
5,178,769                       07/626,511                       01/12/93
5,178,773                       07/785,537                       01/12/93
5,178,775                       07/669,581                       01/12/93
5,178,779                       07/636,658                       01/12/93
5,178,782                       07/856,886                       01/12/93
5,178,783                       07/864,116                       01/12/93
5,178,784                       07/709,958                       01/12/93
5,178,786                       07/389,642                       01/12/93
5,178,792                       07/683,263                       01/12/93
5,178,796                       07/864,891                       01/12/93
5,178,807                       07/798,593                       01/12/93
5,178,814                       07/743,083                       01/12/93
5,178,815                       07/668,246                       01/12/93
5,178,817                       07/751,668                       01/12/93
5,178,822                       07/764,612                       01/12/93
5,178,823                       07/850,311                       01/12/93
5,178,824                       07/737,026                       01/12/93
5,178,825                       07/800,295                       01/12/93
5,178,836                       07/334,358                       01/12/93
5,178,838                       07/732,913                       01/12/93
5,178,840                       07/849,783                       01/12/93
5,178,841                       07/776,499                       01/12/93
5,178,844                       07/504,154                       01/12/93
5,178,846                       07/725,034                       01/12/93
5,178,848                       07/720,915                       01/12/93
5,178,853                       07/759,586                       01/12/93
5,178,856                       07/700,661                       01/12/93
5,178,862                       07/444,525                       01/12/93
5,178,870                       07/885,929                       01/12/93
5,178,873                       07/704,603                       01/12/93
5,178,884                       07/374,171                       01/12/93
5,178,885                       07/368,519                       01/12/93
5,178,886                       07/763,189                       01/12/93
5,178,894                       07/766,421                       01/12/93
5,178,895                       07/634,130                       01/12/93
5,178,899                       07/651,060                       01/12/93
5,178,900                       07/598,799                       01/12/93
5,178,934                       07/540,847                       01/12/93
5,178,941                       07/755,738                       01/12/93
5,178,946                       07/677,480                       01/12/93
5,178,954                       07/542,190                       01/12/93
5,178,955                       07/783,032                       01/12/93
5,178,957                       07/726,643                       01/12/93
5,178,964                       07/737,104                       01/12/93
5,178,966                       07/273,442                       01/12/93
5,178,969                       07/718,427                       01/12/93
5,178,978                       07/578,963                       01/12/93
5,178,981                       07/661,249                       01/12/93
5,178,999                       07/187,794                       01/12/93
5,179,001                       07/581,432                       01/12/93
5,179,012                       07/638,394                       01/12/93
5,179,024                       07/707,684                       01/12/93
5,179,035                       07/856,186                       01/12/93
5,179,040                       07/764,362                       01/12/93
5,179,043                       07/714,912                       01/12/93
5,179,050                       07/567,811                       01/12/93
5,179,052                       07/819,163                       01/12/93
5,179,054                       07/735,225                       01/12/93
5,179,064                       07/691,541                       01/12/93
5,179,068                       07/787,949                       01/12/93
5,179,069                       07/685,599                       01/12/93
5,179,075                       07/604,281                       01/12/93
5,179,081                       07/693,063                       01/12/93
5,179,088                       07/543,251                       01/12/93
5,179,089                       07/792,255                       01/12/93
5,179,092                       07/737,717                       01/12/93
5,179,095                       07/798,963                       01/12/93
5,179,096                       07/625,408                       01/12/93
5,179,103                       07/793,937                       01/12/93
5,179,106                       07/558,730                       01/12/93
5,179,135                       07/604,857                       01/12/93
5,179,137                       07/624,380                       01/12/93
5,179,141                       07/816,773                       01/12/93
5,179,146                       07/860,622                       01/12/93
5,179,147                       07/527,415                       01/12/93
5,179,156                       07/859,803                       01/12/93
5,179,159                       07/710,523                       01/12/93
5,179,169                       07/566,622                       01/12/93
5,179,170                       07/381,632                       01/12/93
5,179,177                       07/748,707                       01/12/93
5,179,184                       07/683,543                       01/12/93
5,179,196                       07/347,371                       01/12/93
5,179,197                       07/669,089                       01/12/93
5,179,201                       07/695,089                       01/12/93
5,179,208                       07/889,232                       01/12/93
5,179,211                       07/792,317                       01/12/93
5,179,214                       07/763,729                       01/12/93
5,179,217                       07/634,583                       01/12/93
5,179,220                       07/724,302                       01/12/93
5,179,224                       07/769,481                       01/12/93
5,179,231                       07/626,774                       01/12/93
5,179,234                       07/805,190                       01/12/93
5,179,243                       07/894,324                       01/12/93
5,179,244                       07/486,399                       01/12/93
5,179,256                       07/698,003                       01/12/93
5,179,257                       07/569,056                       01/12/93
5,179,258                       07/635,128                       01/12/93
5,179,259                       07/547,181                       01/12/93
5,179,260                       07/746,436                       01/12/93
5,179,267                       07/614,021                       01/12/93
5,179,269                       07/485,511                       01/12/93
5,179,282                       07/799,838                       01/12/93
5,179,285                       07/694,738                       01/12/93
5,179,287                       07/720,398                       01/12/93
5,179,291                       07/591,813                       01/12/93
5,179,301                       07/574,622                       01/12/93
5,179,307                       07/840,205                       01/12/93
5,179,312                       06/859,299                       01/12/93
5,179,313                       07/834,542                       01/12/93
5,179,316                       07/766,418                       01/12/93
5,179,322                       07/783,485                       01/12/93
5,179,336                       07/726,494                       01/12/93
5,179,362                       07/866,124                       01/12/93
5,179,367                       07/557,780                       01/12/93
5,179,379                       07/779,679                       01/12/93
5,179,382                       07/865,543                       01/12/93
5,179,384                       07/726,192                       01/12/93
5,179,385                       07/816,756                       01/12/93
5,179,387                       07/321,309                       01/12/93
5,179,393                       07/606,210                       01/12/93
5,179,400                       07/771,515                       01/12/93
5,179,401                       07/670,647                       01/12/93
5,179,413                       07/831,730                       01/12/93
5,179,416                       07/812,331                       01/12/93
5,179,422                       07/700,441                       01/12/93
5,179,423                       07/736,721                       01/12/93
5,179,424                       07/651,336                       01/12/93
5,179,443                       07/822,880                       01/12/93
5,179,449                       07/463,466                       01/12/93
5,179,451                       07/596,386                       01/12/93
5,179,452                       07/225,741                       01/12/93
5,179,457                       07/584,623                       01/12/93
5,179,466                       07/557,611                       01/12/93
5,179,469                       07/856,597                       01/12/93
5,179,471                       07/603,568                       01/12/93
5,179,483                       07/677,064                       01/12/93
5,179,494                       07/510,088                       01/12/93
5,179,504                       07/664,667                       01/12/93
5,179,508                       07/777,839                       01/12/93
5,179,510                       07/741,073                       01/12/93
5,179,514                       07/564,633                       01/12/93
5,179,525                       07/517,371                       01/12/93
5,179,526                       07/709,308                       01/12/93
5,179,531                       07/844,991                       01/12/93
5,179,533                       07/387,082                       01/12/93
5,179,534                       07/601,969                       01/12/93
5,179,543                       07/691,299                       01/12/93
5,179,544                       07/799,912                       01/12/93
5,179,545                       07/614,626                       01/12/93
5,179,547                       07/706,164                       01/12/93
5,179,570                       07/732,655                       01/12/93
5,179,574                       07/787,642                       01/12/93
5,179,585                       07/642,013                       01/12/93
5,179,593                       07/767,238                       01/12/93
5,179,596                       07/726,052                       01/12/93
5,179,600                       07/804,634                       01/12/93
5,179,602                       07/724,752                       01/12/93
5,179,605                       07/594,137                       01/12/93
5,179,620                       07/714,948                       01/12/93
5,179,624                       07/727,089                       01/12/93
5,179,628                       07/830,994                       01/12/93
5,179,629                       07/599,328                       01/12/93
5,179,642                       07/856,827                       01/12/93
5,179,644                       07/685,152                       01/12/93
5,179,645                       07/432,424                       01/12/93
5,179,653                       07/677,579                       01/12/93
5,179,656                       07/300,153                       01/12/93
5,179,657                       07/866,964                       01/12/93
5,179,662                       07/401,335                       01/12/93
5,179,671                       07/331,991                       01/12/93
5,179,699                       07/297,634                       01/12/93
5,179,701                       07/366,740                       01/12/93
5,179,708                       07/334,836                       01/12/93
5,179,709                       07/611,380                       01/12/93
5,179,711                       07/456,890                       01/12/93
5,179,718                       07/668,340                       01/12/93
5,179,719                       07/803,781                       01/12/93

                   PATENTS WHICH EXPIRED ON January 14, 2001
                    DUE TO FAILURE TO PAY MAINTENANCE FEES

Patent                          Serial                           Issue
Number                          Number                           Date

5,592,689                       08/516,957                       01/14/97
5,592,692                       08/566,184                       01/14/97
5,592,693                       08/566,917                       01/14/97
5,592,700                       08/620,667                       01/14/97
5,592,704                       08/514,494                       01/14/97
5,592,711                       08/514,428                       01/14/97
5,592,713                       08/617,116                       01/14/97
5,592,718                       08/369,156                       01/14/97
5,592,722                       08/299,390                       01/14/97
5,592,723                       08/374,717                       01/14/97
5,592,726                       08/369,794                       01/14/97
5,592,732                       08/334,161                       01/14/97
5,592,734                       08/136,086                       01/14/97
5,592,737                       08/157,077                       01/14/97
5,592,744                       08/563,956                       01/14/97
5,592,746                       07/917,456                       01/14/97
5,592,747                       08/369,697                       01/14/97
5,592,749                       08/500,776                       01/14/97
5,592,755                       08/078,262                       01/14/97
5,592,756                       08/497,862                       01/14/97
5,592,758                       08/172,897                       01/14/97
5,592,764                       08/397,058                       01/14/97
5,592,767                       08/349,545                       01/14/97
5,592,771                       08/365,943                       01/14/97
5,592,773                       08/540,048                       01/14/97
5,592,775                       08/589,524                       01/14/97
5,592,779                       08/509,346                       01/14/97
5,592,784                       08/329,833                       01/14/97
5,592,791                       08/450,678                       01/14/97
5,592,792                       08/493,097                       01/14/97
5,592,799                       08/385,438                       01/14/97
5,592,805                       08/542,160                       01/14/97
5,592,808                       08/451,047                       01/14/97
5,592,813                       08/499,112                       01/14/97
5,592,823                       08/614,394                       01/14/97
5,592,835                       08/533,117                       01/14/97
5,592,853                       08/433,380                       01/14/97
5,592,857                       08/389,312                       01/14/97
5,592,861                       08/071,057                       01/14/97
5,592,873                       08/565,668                       01/14/97
5,592,874                       08/305,610                       01/14/97
5,592,876                       08/418,023                       01/14/97
5,592,877                       08/548,072                       01/14/97
5,592,880                       08/407,167                       01/14/97
5,592,887                       08/554,497                       01/14/97
5,592,888                       08/529,587                       01/14/97
5,592,889                       08/459,773                       01/14/97
5,592,890                       08/308,667                       01/14/97
5,592,894                       08/346,493                       01/14/97
5,592,898                       08/387,003                       01/14/97
5,592,909                       08/406,302                       01/14/97
5,592,921                       08/500,994                       01/14/97
5,592,928                       08/614,268                       01/14/97
5,592,930                       08/396,187                       01/14/97
5,592,947                       08/437,700                       01/14/97
5,592,954                       08/400,276                       01/14/97
5,592,956                       08/497,808                       01/14/97
5,592,958                       08/382,077                       01/14/97
5,592,966                       08/401,954                       01/14/97
5,592,972                       08/386,372                       01/14/97
5,592,975                       08/358,330                       01/14/97
5,592,980                       08/410,461                       01/14/97
5,592,985                       08/351,390                       01/14/97
5,592,986                       08/543,899                       01/14/97
5,592,987                       08/478,460                       01/14/97
5,593,013                       08/317,656                       01/14/97
5,593,018                       08/468,828                       01/14/97
5,593,028                       08/108,458                       01/14/97
5,593,029                       08/645,948                       01/14/97
5,593,030                       08/444,444                       01/14/97
5,593,035                       08/613,141                       01/14/97
5,593,038                       08/380,827                       01/14/97
5,593,043                       08/448,415                       01/14/97
5,593,047                       08/330,318                       01/14/97
5,593,049                       08/109,314                       01/14/97
5,593,052                       08/511,781                       01/14/97
5,593,053                       08/306,084                       01/14/97
5,593,054                       08/431,107                       01/14/97
5,593,058                       08/511,996                       01/14/97
5,593,059                       08/455,352                       01/14/97
5,593,063                       08/373,204                       01/14/97
5,593,071                       08/370,266                       01/14/97
5,593,075                       08/505,160                       01/14/97
5,593,083                       08/388,327                       01/14/97
5,593,084                       08/396,549                       01/14/97
5,593,086                       08/491,057                       01/14/97
5,593,089                       08/542,991                       01/14/97
5,593,090                       08/362,998                       01/14/97
5,593,093                       08/372,097                       01/14/97
5,593,101                       08/394,794                       01/14/97
5,593,111                       08/276,338                       01/14/97
5,593,116                       08/320,293                       01/14/97
5,593,117                       08/514,482                       01/14/97
5,593,118                       08/443,056                       01/14/97
5,593,124                       08/540,946                       01/14/97
5,593,127                       08/091,014                       01/14/97
5,593,128                       08/389,497                       01/14/97
5,593,133                       08/444,464                       01/14/97
5,593,137                       08/414,798                       01/14/97
5,593,139                       08/336,177                       01/14/97
5,593,140                       08/270,935                       01/14/97
5,593,141                       08/331,758                       01/14/97
5,593,144                       08/431,837                       01/14/97
5,593,147                       08/533,387                       01/14/97
5,593,154                       08/622,187                       01/14/97
5,593,159                       08/516,871                       01/14/97
5,593,168                       08/522,094                       01/14/97
5,593,170                       08/395,317                       01/14/97
5,593,171                       08/437,648                       01/14/97
5,593,174                       08/406,062                       01/14/97
5,593,178                       08/530,461                       01/14/97
5,593,185                       08/177,937                       01/14/97
5,593,190                       08/528,625                       01/14/97
5,593,192                       08/529,446                       01/14/97
5,593,195                       08/506,388                       01/14/97
5,593,198                       08/541,517                       01/14/97
5,593,199                       08/293,705                       01/14/97
5,593,201                       08/596,740                       01/14/97
5,593,203                       08/488,682                       01/14/97
5,593,216                       08/628,443                       01/14/97
5,593,225                       08/490,852                       01/14/97
5,593,226                       08/426,612                       01/14/97
5,593,230                       08/545,776                       01/14/97
5,593,251                       08/168,424                       01/14/97
5,593,259                       08/489,228                       01/14/97
5,593,268                       08/308,697                       01/14/97
5,593,269                       08/163,654                       01/14/97
5,593,272                       08/200,958                       01/14/97
5,593,278                       06/568,223                       01/14/97
5,593,285                       08/372,623                       01/14/97
5,593,288                       08/561,813                       01/14/97
5,593,297                       08/491,378                       01/14/97
5,593,310                       08/364,043                       01/14/97
5,593,312                       08/488,269                       01/14/97
5,593,318                       08/500,385                       01/14/97
5,593,322                       08/375,328                       01/14/97
5,593,332                       07/247,123                       01/14/97
5,593,336                       08/406,685                       01/14/97
5,593,337                       08/584,781                       01/14/97
5,593,341                       08/559,298                       01/14/97
5,593,346                       08/654,070                       01/14/97
5,593,353                       08/504,185                       01/14/97
5,593,354                       08/602,296                       01/14/97
5,593,370                       08/546,091                       01/14/97
5,593,374                       08/504,127                       01/14/97
5,593,381                       08/279,350                       01/14/97
5,593,385                       08/409,831                       01/14/97
5,593,386                       08/360,813                       01/14/97
5,593,390                       08/396,420                       01/14/97
5,593,392                       08/319,167                       01/14/97
5,593,395                       08/300,807                       01/14/97
5,593,407                       08/211,913                       01/14/97
5,593,413                       08/250,054                       01/14/97
5,593,415                       08/652,124                       01/14/97
5,593,429                       08/267,428                       01/14/97
5,593,438                       08/375,819                       01/14/97
5,593,442                       08/463,166                       01/14/97
5,593,447                       08/522,185                       01/14/97
5,593,449                       08/206,515                       01/14/97
5,593,452                       08/503,572                       01/14/97
5,593,453                       08/426,227                       01/14/97
5,593,459                       08/327,631                       01/14/97
5,593,461                       08/347,093                       01/14/97
5,593,469                       08/569,692                       01/14/97
5,593,480                       08/495,600                       01/14/97
5,593,492                       08/521,552                       01/14/97
5,593,493                       08/494,665                       01/14/97
5,593,501                       08/397,213                       01/14/97
5,593,506                       08/415,804                       01/14/97
5,593,509                       08/406,236                       01/14/97
5,593,522                       08/519,363                       01/14/97
5,593,533                       08/457,874                       01/14/97
5,593,534                       08/446,402                       01/14/97
5,593,561                       08/464,652                       01/14/97
5,593,575                       08/227,522                       01/14/97
5,593,579                       08/601,321                       01/14/97
5,593,590                       08/107,827                       01/14/97
5,593,602                       08/203,623                       01/14/97
5,593,610                       08/511,383                       01/14/97
5,593,612                       07/627,394                       01/14/97
5,593,614                       08/350,394                       01/14/97
5,593,615                       08/484,690                       01/14/97
5,593,623                       08/411,803                       01/14/97
5,593,630                       08/428,337                       01/14/97
5,593,641                       08/517,922                       01/14/97
5,593,642                       08/461,475                       01/14/97
5,593,648                       08/496,703                       01/14/97
5,593,652                       08/495,396                       01/14/97
5,593,655                       08/437,727                       01/14/97
5,593,664                       08/379,466                       01/14/97
5,593,667                       08/359,356                       01/14/97
5,593,671                       08/269,702                       01/14/97
5,593,672                       08/324,470                       01/14/97
5,593,681                       08/427,267                       01/14/97
5,593,685                       08/411,664                       01/14/97
5,593,687                       07/815,224                       01/14/97
5,593,691                       08/179,729                       01/14/97
5,593,701                       08/623,283                       01/14/97
5,593,704                       08/442,060                       01/14/97
5,593,708                       08/352,135                       01/14/97
5,593,714                       08/349,937                       01/14/97
5,593,726                       08/238,819                       01/14/97
5,593,727                       08/148,391                       01/14/97
5,593,731                       08/411,308                       01/14/97
5,593,736                       07/199,820                       01/14/97
5,593,745                       08/201,290                       01/14/97
5,593,755                       08/399,916                       01/14/97
5,593,762                       08/483,031                       01/14/97
5,593,765                       08/474,513                       01/14/97
5,593,776                       08/194,283                       01/14/97
5,593,783                       08/261,807                       01/14/97
5,593,795                       08/435,110                       01/14/97
5,593,798                       07/909,047                       01/14/97
5,593,811                       08/576,770                       01/14/97
5,593,838                       08/455,016                       01/14/97
5,593,870                       08/305,625                       01/14/97
5,593,880                       08/194,575                       01/14/97
5,593,908                       08/485,249                       01/14/97
5,593,917                       08/275,445                       01/14/97
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