Notice of Expiration of Patents Due to Failure to Pay Maintenance Fee 35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required maintenance fee and any applicable surcharge are not paid in a patent requiring such payment, the patent will expire at the end of the 4th, 8th or 12th anniversary of the grant of the patent depending on the first maintenance fee which was not paid. According to the records of the Office, the patents listed below have expired due to failure to pay the required maintenance fee and any applicable surcharge. PATENTS WHICH EXPIRED ON May 10, 2000 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Number Serial Number Issue Date 4,742,578 06/803,170 05/10/88 4,742,584 07/017,094 05/10/88 4,742,598 06/917,656 05/10/88 4,742,610 06/938,528 05/10/88 4,742,614 06/892,442 05/10/88 4,742,617 07/054,970 05/10/88 4,742,618 07/010,796 05/10/88 4,742,633 06/886,561 05/10/88 4,742,648 07/086,206 05/10/88 4,742,652 07/040,273 05/10/88 4,742,654 07/027,947 05/10/88 4,742,656 06/931,917 05/10/88 4,742,657 06/828,969 05/10/88 4,742,665 07/046,581 05/10/88 4,742,675 06/750,766 05/10/88 4,742,676 06/808,614 05/10/88 4,742,683 06/897,331 05/10/88 4,742,684 06/660,556 05/10/88 4,742,696 06/477,153 05/10/88 4,742,716 07/006,262 05/10/88 4,742,720 07/020,078 05/10/88 4,742,732 06/899,074 05/10/88 4,742,743 06/855,833 05/10/88 4,742,744 07/014,064 05/10/88 4,742,753 07/106,173 05/10/88 4,742,755 07/029,633 05/10/88 4,742,757 06/930,809 05/10/88 4,742,760 07/070,334 05/10/88 4,742,765 06/942,528 05/10/88 4,742,774 06/520,274 05/10/88 4,742,776 07/038,746 05/10/88 4,742,783 07/082,153 05/10/88 4,742,804 07/010,991 05/10/88 4,742,811 07/098,016 05/10/88 4,742,817 06/854,823 05/10/88 4,742,818 06/920,048 05/10/88 4,742,822 06/827,058 05/10/88 4,742,824 06/932,232 05/10/88 4,742,825 06/903,775 05/10/88 4,742,829 06/895,343 05/10/88 4,742,832 07/013,913 05/10/88 4,742,840 06/943,876 05/10/88 4,742,845 07/095,598 05/10/88 4,742,862 07/016,359 05/10/88 4,742,863 07/042,855 05/10/88 4,742,866 06/878,296 05/10/88 4,742,869 06/921,182 05/10/88 4,742,875 06/841,261 05/10/88 4,742,881 06/857,284 05/10/88 4,742,895 07/094,355 05/10/88 4,742,901 07/020,977 05/10/88 4,742,906 06/880,826 05/10/88 4,742,918 06/913,028 05/10/88 4,742,920 06/912,955 05/10/88 4,742,928 07/061,905 05/10/88 4,742,932 06/701,172 05/10/88 4,742,937 06/827,214 05/10/88 4,742,938 06/876,280 05/10/88 4,742,942 06/755,701 05/10/88 4,742,949 06/739,020 05/10/88 4,742,954 07/066,624 05/10/88 4,742,955 07/008,497 05/10/88 4,742,968 06/860,642 05/10/88 4,742,969 06/859,490 05/10/88 4,742,971 06/933,645 05/10/88 4,742,982 06/455,973 05/10/88 4,742,989 07/014,846 05/10/88 4,743,008 06/944,240 05/10/88 4,743,016 06/784,767 05/10/88 4,743,017 06/767,527 05/10/88 4,743,021 06/875,971 05/10/88 4,743,027 07/034,478 05/10/88 4,743,031 07/086,733 05/10/88 4,743,040 06/912,567 05/10/88 4,743,046 07/012,823 05/10/88 4,743,059 07/071,369 05/10/88 4,743,061 07/064,660 05/10/88 4,743,062 06/909,820 05/10/88 4,743,066 06/937,156 05/10/88 4,743,068 06/888,763 05/10/88 4,743,076 06/940,205 05/10/88 4,743,086 06/677,933 05/10/88 4,743,094 07/112,632 05/10/88 4,743,102 07/033,416 05/10/88 4,743,103 06/868,981 05/10/88 4,743,118 06/846,115 05/10/88 4,743,119 06/895,666 05/10/88 4,743,122 06/811,806 05/10/88 4,743,138 07/034,513 05/10/88 4,743,142 06/872,915 05/10/88 4,743,143 06/907,058 05/10/88 4,743,151 06/923,626 05/10/88 4,743,153 06/901,846 05/10/88 4,743,155 06/876,511 05/10/88 4,743,160 06/774,697 05/10/88 4,743,162 07/083,884 05/10/88 4,743,167 06/863,941 05/10/88 4,743,169 07/058,708 05/10/88 4,743,172 07/020,220 05/10/88 4,743,176 06/877,000 05/10/88 4,743,177 07/040,714 05/10/88 4,743,178 06/838,853 05/10/88 4,743,185 07/019,671 05/10/88 4,743,187 06/922,999 05/10/88 4,743,191 07/033,274 05/10/88 4,743,196 06/870,429 05/10/88 4,743,211 06/842,989 05/10/88 4,743,221 07/028,538 05/10/88 4,743,225 06/767,423 05/10/88 4,743,227 07/062,155 05/10/88 4,743,229 06/912,985 05/10/88 4,743,235 06/903,730 05/10/88 4,743,239 06/928,021 05/10/88 4,743,249 07/061,024 05/10/88 4,743,250 06/785,662 05/10/88 4,743,251 06/708,425 05/10/88 4,743,258 06/722,669 05/10/88 4,743,260 06/742,923 05/10/88 4,743,262 07/029,849 05/10/88 4,743,278 06/874,971 05/10/88 4,743,280 06/842,925 05/10/88 4,743,284 06/947,252 05/10/88 4,743,285 06/891,948 05/10/88 4,743,288 06/632,130 05/10/88 4,743,291 06/861,647 05/10/88 4,743,303 06/881,325 05/10/88 4,743,309 06/941,794 05/10/88 4,743,314 07/099,371 05/10/88 4,743,321 06/784,288 05/10/88 4,743,326 06/919,570 05/10/88 4,743,328 06/918,836 05/10/88 4,743,329 06/831,348 05/10/88 4,743,337 06/915,281 05/10/88 4,743,338 06/864,219 05/10/88 4,743,344 06/844,361 05/10/88 4,743,345 06/760,207 05/10/88 4,743,347 07/048,643 05/10/88 4,743,351 06/703,547 05/10/88 4,743,361 06/751,736 05/10/88 4,743,363 06/911,475 05/10/88 4,743,364 06/590,183 05/10/88 4,743,372 06/842,917 05/10/88 4,743,373 06/903,914 05/10/88 4,743,376 06/735,862 05/10/88 4,743,378 06/945,672 05/10/88 4,743,381 07/068,371 05/10/88 4,743,386 06/769,826 05/10/88 4,743,389 06/445,644 05/10/88 4,743,392 06/894,312 05/10/88 4,743,398 06/855,026 05/10/88 4,743,399 07/005,189 05/10/88 4,743,408 06/892,026 05/10/88 4,743,411 06/895,803 05/10/88 4,743,418 06/642,211 05/10/88 4,743,432 06/787,654 05/10/88 4,743,434 06/847,259 05/10/88 4,743,440 06/288,084 05/10/88 4,743,442 06/802,388 05/10/88 4,743,446 06/897,534 05/10/88 4,743,447 07/041,611 05/10/88 4,743,449 06/648,961 05/10/88 4,743,451 06/895,270 05/10/88 4,743,454 06/891,260 05/10/88 4,743,456 06/947,679 05/10/88 4,743,458 06/736,245 05/10/88 4,743,459 06/736,246 05/10/88 4,743,460 06/736,247 05/10/88 4,743,461 06/736,375 05/10/88 4,743,477 07/029,544 05/10/88 4,743,489 06/927,175 05/10/88 4,743,490 06/832,141 05/10/88 4,743,492 06/876,406 05/10/88 4,743,494 06/936,410 05/10/88 4,743,502 06/883,817 05/10/88 4,743,508 06/840,172 05/10/88 4,743,519 06/918,110 05/10/88 4,743,521 06/851,247 05/10/88 4,743,535 06/668,255 05/10/88 4,743,536 06/331,339 05/10/88 4,743,539 06/672,266 05/10/88 4,743,543 06/774,070 05/10/88 4,743,556 07/050,112 05/10/88 4,743,560 06/593,411 05/10/88 4,743,563 07/053,917 05/10/88 4,743,566 06/869,482 05/10/88 4,743,567 07/084,657 05/10/88 4,743,583 07/075,092 05/10/88 4,743,590 06/842,373 05/10/88 4,743,596 07/062,626 05/10/88 4,743,609 06/827,898 05/10/88 4,743,616 06/760,411 05/10/88 4,743,623 07/084,667 05/10/88 4,743,626 07/095,680 05/10/88 4,743,627 07/095,679 05/10/88 4,743,629 07/069,453 05/10/88 4,743,639 07/057,407 05/10/88 4,743,642 06/905,106 05/10/88 4,743,647 06/944,431 05/10/88 4,743,651 06/932,873 05/10/88 4,743,652 07/005,400 05/10/88 4,743,653 07/061,208 05/10/88 4,743,655 07/041,045 05/10/88 4,743,662 06/926,168 05/10/88 4,743,669 06/783,526 05/10/88 4,743,673 06/944,667 05/10/88 4,743,675 06/868,285 05/10/88 4,743,677 06/893,267 05/10/88 4,743,682 06/948,243 05/10/88 4,743,690 07/003,960 05/10/88 4,743,703 06/533,275 05/10/88 4,743,710 06/788,834 05/10/88 4,743,723 07/054,100 05/10/88 4,743,727 07/038,057 05/10/88 4,743,729 07/069,569 05/10/88 4,743,736 06/687,842 05/10/88 4,743,740 06/785,383 05/10/88 4,743,752 07/008,209 05/10/88 4,743,760 06/878,136 05/10/88 4,743,766 07/075,268 05/10/88 4,743,781 06/882,058 05/10/88 4,743,792 06/946,917 05/10/88 4,743,795 06/874,098 05/10/88 4,743,801 07/020,223 05/10/88 4,743,821 06/918,447 05/10/88 4,743,822 06/898,562 05/10/88 4,743,847 07/063,138 05/10/88 4,743,848 06/886,506 05/10/88 4,743,850 07/097,253 05/10/88 4,743,857 06/840,527 05/10/88 4,743,858 06/876,543 05/10/88 4,743,874 07/039,290 05/10/88 4,743,881 06/896,797 05/10/88 4,743,882 07/040,106 05/10/88 4,743,883 06/737,086 05/10/88 4,743,898 07/042,561 05/10/88 4,743,901 06/847,270 05/10/88 4,743,903 06/811,986 05/10/88 4,743,905 06/766,305 05/10/88 4,743,909 07/096,226 05/10/88 4,743,911 06/835,675 05/10/88 4,743,914 06/852,041 05/10/88 4,743,915 06/870,275 05/10/88 4,743,917 06/779,259 05/10/88 4,743,939 07/056,164 05/10/88 4,743,940 07/096,735 05/10/88 4,743,947 06/936,481 05/10/88 4,743,951 06/355,942 05/10/88 4,743,967 07/025,671 05/10/88 4,743,970 06/920,560 05/10/88 4,743,971 06/926,066 05/10/88 4,743,973 06/886,952 05/10/88 4,743,974 06/943,280 05/10/88 4,743,976 06/845,119 05/10/88 4,743,978 06/939,886 05/10/88 4,743,979 06/848,264 05/10/88 4,743,989 06/854,292 05/10/88 4,743,995 06/918,184 05/10/88 4,744,007 06/896,348 05/10/88 4,744,009 06/926,024 05/10/88 4,744,012 06/881,039 05/10/88 4,744,018 06/912,626 05/10/88 4,744,030 06/858,412 05/10/88 4,744,041 06/707,709 05/10/88 4,744,045 06/687,874 05/10/88 4,744,048 06/785,843 05/10/88 4,744,050 06/748,907 05/10/88 4,744,053 06/757,337 05/10/88 4,744,065 07/009,812 05/10/88 4,744,072 06/367,516 05/10/88 4,744,079 06/913,923 05/10/88 4,744,080 06/833,633 05/10/88 4,744,082 06/473,393 05/10/88 4,744,086 06/870,703 05/10/88 4,744,094 06/940,822 05/10/88 4,744,095 06/895,528 05/10/88 4,744,103 06/803,133 05/10/88 PATENTS WHICH EXPIRED ON May 5, 2000 DUE TO FAILURE TO PAY MAINTENANCE FEES 5,109,549 07/526,660 05/05/92 5,109,552 07/585,948 05/05/92 5,109,557 07/545,449 05/05/92 5,109,558 07/731,124 05/05/92 5,109,559 07/643,531 05/05/92 5,109,560 07/762,867 05/05/92 5,109,569 07/736,367 05/05/92 5,109,573 07/589,140 05/05/92 5,109,581 07/642,869 05/05/92 5,109,582 07/601,661 05/05/92 5,109,599 07/686,711 05/05/92 5,109,612 07/622,957 05/05/92 5,109,613 07/630,450 05/05/92 5,109,615 07/704,910 05/05/92 5,109,619 07/649,366 05/05/92 5,109,623 07/648,570 05/05/92 5,109,630 07/461,687 05/05/92 5,109,631 07/554,144 05/05/92 5,109,632 07/503,588 05/05/92 5,109,642 07/571,256 05/05/92 5,109,653 07/207,654 05/05/92 5,109,655 07/654,254 05/05/92 5,109,656 07/654,289 05/05/92 5,109,657 07/698,279 05/05/92 5,109,658 07/515,144 05/05/92 5,109,660 07/508,353 05/05/92 5,109,672 07/464,974 05/05/92 5,109,673 07/694,370 05/05/92 5,109,677 07/660,141 05/05/92 5,109,680 07/602,800 05/05/92 5,109,683 07/471,499 05/05/92 5,109,685 07/686,413 05/05/92 5,109,686 07/577,504 05/05/92 5,109,689 07/619,188 05/05/92 5,109,697 07/644,171 05/05/92 5,109,699 07/713,140 05/05/92 5,109,700 07/707,441 05/05/92 5,109,702 07/549,888 05/05/92 5,109,704 07/584,105 05/05/92 5,109,708 07/445,955 05/05/92 5,109,714 07/410,473 05/05/92 5,109,723 07/470,345 05/05/92 5,109,725 07/486,011 05/05/92 5,109,728 07/736,277 05/05/92 5,109,736 07/661,185 05/05/92 5,109,737 07/716,209 05/05/92 5,109,740 07/616,341 05/05/92 5,109,743 07/777,464 05/05/92 5,109,744 07/554,350 05/05/92 5,109,750 07/538,539 05/05/92 5,109,751 07/534,678 05/05/92 5,109,752 07/632,531 05/05/92 5,109,763 07/629,223 05/05/92 5,109,768 07/519,228 05/05/92 5,109,773 07/607,315 05/05/92 5,109,774 07/699,601 05/05/92 5,109,777 07/564,620 05/05/92 5,109,778 07/677,501 05/05/92 5,109,780 07/729,574 05/05/92 5,109,781 07/634,429 05/05/92 5,109,799 07/752,274 05/05/92 5,109,801 07/586,955 05/05/92 5,109,804 07/598,354 05/05/92 5,109,808 07/725,823 05/05/92 5,109,810 07/587,233 05/05/92 5,109,831 07/712,271 05/05/92 5,109,832 07/623,369 05/05/92 5,109,834 07/743,080 05/05/92 5,109,850 07/746,070 05/05/92 5,109,853 07/631,746 05/05/92 5,109,858 07/650,421 05/05/92 5,109,860 07/368,338 05/05/92 5,109,864 07/633,611 05/05/92 5,109,876 07/511,144 05/05/92 5,109,877 07/657,816 05/05/92 5,109,878 07/713,294 05/05/92 5,109,881 07/571,741 05/05/92 5,109,886 07/653,223 05/05/92 5,109,887 07/635,584 05/05/92 5,109,890 07/667,958 05/05/92 5,109,904 07/478,406 05/05/92 5,109,908 07/604,975 05/05/92 5,109,912 07/261,591 05/05/92 5,109,914 07/578,835 05/05/92 5,109,921 07/693,986 05/05/92 5,109,922 07/490,876 05/05/92 5,109,923 07/683,937 05/05/92 5,109,925 07/642,491 05/05/92 5,109,928 07/569,020 05/05/92 5,109,931 07/690,636 05/05/92 5,109,948 07/634,142 05/05/92 5,109,949 07/574,289 05/05/92 5,109,968 07/771,209 05/05/92 5,109,971 07/686,199 05/05/92 5,109,972 07/384,781 05/05/92 5,109,973 07/462,338 05/05/92 5,109,976 07/511,689 05/05/92 5,109,978 07/732,394 05/05/92 5,109,979 07/657,639 05/05/92 5,109,989 07/625,882 05/05/92 5,109,990 07/664,943 05/05/92 5,109,992 07/695,611 05/05/92 5,109,993 07/429,697 05/05/92 5,109,996 07/701,469 05/05/92 5,110,002 07/620,836 05/05/92 5,110,004 07/497,476 05/05/92 5,110,008 07/414,454 05/05/92 5,110,013 07/726,574 05/05/92 5,110,014 07/610,820 05/05/92 5,110,017 07/744,254 05/05/92 5,110,020 07/635,276 05/05/92 5,110,022 07/613,244 05/05/92 5,110,025 07/490,701 05/05/92 5,110,037 07/718,049 05/05/92 5,110,041 07/572,068 05/05/92 5,110,042 07/720,632 05/05/92 5,110,045 07/630,676 05/05/92 5,110,057 07/623,017 05/05/92 5,110,060 07/595,258 05/05/92 5,110,061 07/623,315 05/05/92 5,110,062 07/551,832 05/05/92 5,110,071 07/510,657 05/05/92 5,110,076 07/640,823 05/05/92 5,110,079 07/708,743 05/05/92 5,110,081 07/588,760 05/05/92 5,110,094 07/578,954 05/05/92 5,110,096 07/655,507 05/05/92 5,110,109 07/692,286 05/05/92 5,110,110 07/418,396 05/05/92 5,110,111 07/486,332 05/05/92 5,110,112 07/613,383 05/05/92 5,110,113 07/561,609 05/05/92 5,110,115 07/495,594 05/05/92 5,110,116 07/519,119 05/05/92 5,110,117 07/485,620 05/05/92 5,110,122 07/581,979 05/05/92 5,110,127 07/643,856 05/05/92 5,110,135 07/659,265 05/05/92 5,110,138 07/633,227 05/05/92 5,110,150 07/689,542 05/05/92 5,110,152 07/691,714 05/05/92 5,110,155 07/690,354 05/05/92 5,110,157 07/615,259 05/05/92 5,110,159 07/634,761 05/05/92 5,110,169 07/592,714 05/05/92 5,110,172 07/627,684 05/05/92 5,110,181 07/716,267 05/05/92 5,110,182 07/260,598 05/05/92 5,110,183 07/131,648 05/05/92 5,110,184 07/751,560 05/05/92 5,110,194 07/534,088 05/05/92 5,110,195 07/670,500 05/05/92 5,110,204 07/609,929 05/05/92 5,110,206 07/694,486 05/05/92 5,110,207 07/698,254 05/05/92 5,110,208 07/629,961 05/05/92 5,110,210 07/557,421 05/05/92 5,110,213 07/454,493 05/05/92 5,110,222 07/473,800 05/05/92 5,110,230 07/658,890 05/05/92 5,110,232 07/694,391 05/05/92 5,110,233 07/694,714 05/05/92 5,110,237 07/245,825 05/05/92 5,110,238 07/729,214 05/05/92 5,110,239 07/691,998 05/05/92 5,110,241 07/713,268 05/05/92 5,110,243 07/555,243 05/05/92 5,110,244 07/750,340 05/05/92 5,110,251 07/536,770 05/05/92 5,110,255 07/733,050 05/05/92 5,110,256 07/653,573 05/05/92 5,110,265 07/641,857 05/05/92 5,110,266 07/485,056 05/05/92 5,110,273 07/494,347 05/05/92 5,110,275 07/702,917 05/05/92 5,110,276 07/458,213 05/05/92 5,110,288 07/476,813 05/05/92 5,110,296 07/667,824 05/05/92 5,110,297 07/297,674 05/05/92 5,110,298 07/759,737 05/05/92 5,110,310 07/691,122 05/05/92 5,110,317 07/709,041 05/05/92 5,110,323 07/697,702 05/05/92 5,110,328 07/533,413 05/05/92 5,110,329 07/540,936 05/05/92 5,110,343 07/527,885 05/05/92 5,110,347 07/617,707 05/05/92 5,110,351 07/639,619 05/05/92 5,110,353 07/648,322 05/05/92 5,110,360 07/613,821 05/05/92 5,110,372 07/674,922 05/05/92 5,110,373 07/565,253 05/05/92 5,110,380 07/767,603 05/05/92 5,110,381 07/541,551 05/05/92 5,110,387 07/657,295 05/05/92 5,110,394 07/683,648 05/05/92 5,110,396 07/538,292 05/05/92 5,110,399 07/440,192 05/05/92 5,110,402 07/676,708 05/05/92 5,110,407 07/658,399 05/05/92 5,110,408 07/658,254 05/05/92 5,110,409 07/631,866 05/05/92 5,110,414 07/660,165 05/05/92 5,110,426 07/582,089 05/05/92 5,110,435 07/585,083 05/05/92 5,110,448 07/668,006 05/05/92 5,110,454 07/145,230 05/05/92 5,110,458 07/679,686 05/05/92 5,110,461 07/577,556 05/05/92 5,110,462 07/735,865 05/05/92 5,110,466 07/629,559 05/05/92 5,110,468 07/641,411 05/05/92 5,110,470 07/603,019 05/05/92 5,110,480 07/548,324 05/05/92 5,110,481 07/698,670 05/05/92 5,110,482 07/507,039 05/05/92 5,110,483 07/628,643 05/05/92 5,110,488 07/437,331 05/05/92 5,110,491 07/688,801 05/05/92 5,110,492 07/566,549 05/05/92 5,110,496 07/663,313 05/05/92 5,110,504 07/329,874 05/05/92 5,110,505 07/315,626 05/05/92 5,110,506 07/430,218 05/05/92 5,110,509 07/385,313 05/05/92 5,110,512 07/685,662 05/05/92 5,110,519 07/549,794 05/05/92 5,110,532 07/665,571 05/05/92 5,110,534 07/420,729 05/05/92 5,110,536 07/613,073 05/05/92 5,110,537 07/484,914 05/05/92 5,110,540 07/482,804 05/05/92 5,110,544 07/618,948 05/05/92 5,110,546 07/696,805 05/05/92 5,110,553 07/279,014 05/05/92 5,110,554 07/460,210 05/05/92 5,110,572 07/720,105 05/05/92 5,110,582 07/081,636 05/05/92 5,110,584 07/601,296 05/05/92 5,110,590 07/475,883 05/05/92 5,110,592 07/695,071 05/05/92 5,110,601 07/666,879 05/05/92 5,110,617 07/636,618 05/05/92 5,110,624 07/675,554 05/05/92 5,110,633 07/570,499 05/05/92 5,110,637 07/318,330 05/05/92 5,110,646 07/645,809 05/05/92 5,110,648 07/456,371 05/05/92 5,110,655 07/599,073 05/05/92 5,110,660 07/454,483 05/05/92 5,110,670 07/365,711 05/05/92 5,110,671 07/711,718 05/05/92 5,110,675 07/415,181 05/05/92 5,110,680 07/241,254 05/05/92 5,110,685 07/526,216 05/05/92 5,110,694 07/596,139 05/05/92 5,110,707 07/471,037 05/05/92 5,110,711 07/683,729 05/05/92 5,110,715 07/419,584 05/05/92 5,110,716 07/513,221 05/05/92 5,110,717 07/628,969 05/05/92 5,110,718 07/627,620 05/05/92 5,110,721 07/309,288 05/05/92 5,110,736 07/602,387 05/05/92 5,110,739 07/733,065 05/05/92 5,110,740 07/403,530 05/05/92 5,110,745 07/359,953 05/05/92 5,110,749 07/714,723 05/05/92 5,110,763 07/643,891 05/05/92 5,110,770 07/723,241 05/05/92 5,110,772 07/575,102 05/05/92 5,110,775 07/635,437 05/05/92 5,110,785 07/694,355 05/05/92 5,110,789 07/559,379 05/05/92 5,110,791 07/584,345 05/05/92 5,110,792 07/431,231 05/05/92 5,110,793 07/314,432 05/05/92 5,110,794 07/494,678 05/05/92 5,110,795 07/471,147 05/05/92 5,110,799 07/386,071 05/05/92 5,110,800 07/395,855 05/05/92 5,110,801 07/313,481 05/05/92 5,110,804 07/420,120 05/05/92 5,110,813 07/414,952 05/05/92 5,110,818 07/630,401 05/05/92 5,110,819 07/476,403 05/05/92 5,110,820 07/611,340 05/05/92 5,110,822 07/637,086 05/05/92 5,110,826 07/609,777 05/05/92 5,110,827 07/603,996 05/05/92 5,110,829 07/737,738 05/05/92 5,110,830 07/581,840 05/05/92 5,110,833 07/500,892 05/05/92 5,110,838 07/630,165 05/05/92 5,110,844 07/699,072 05/05/92 5,110,847 07/632,681 05/05/92 5,110,849 07/565,650 05/05/92 5,110,853 07/573,484 05/05/92 5,110,858 07/500,048 05/05/92 5,110,860 07/587,782 05/05/92 5,110,863 07/590,770 05/05/92 5,110,864 07/747,302 05/05/92 5,110,867 07/581,483 05/05/92 5,110,874 07/510,929 05/05/92 5,110,876 07/562,468 05/05/92 5,110,883 07/667,707 05/05/92 5,110,884 07/664,239 05/05/92 5,110,887 07/761,572 05/05/92 5,110,891 07/683,898 05/05/92 5,110,895 07/566,172 05/05/92 5,110,909 07/340,826 05/05/92 5,110,912 07/487,604 05/05/92 5,110,926 07/553,631 05/05/92 5,110,933 07/610,428 05/05/92 5,110,935 07/410,885 05/05/92 5,110,939 07/419,563 05/05/92 5,110,942 07/576,031 05/05/92 5,110,945 07/776,039 05/05/92 5,110,954 07/551,124 05/05/92 5,110,956 07/517,444 05/05/92 5,110,958 07/698,176 05/05/92 5,110,959 07/366,059 05/05/92 5,110,961 07/628,389 05/05/92 5,110,967 07/657,018 05/05/92 5,110,971 07/577,713 05/05/92 5,110,972 07/732,279 05/05/92 5,110,973 07/590,850 05/05/92 5,110,975 07/626,493 05/05/92 5,110,980 07/409,758 05/05/92 5,110,982 07/645,798 05/05/92 5,110,983 07/497,553 05/05/92 5,110,986 07/186,328 05/05/92 5,110,994 07/613,668 05/05/92 5,110,996 07/259,360 05/05/92 5,111,001 07/509,041 05/05/92 5,111,005 07/592,796 05/05/92 5,111,006 07/520,757 05/05/92 5,111,012 07/523,521 05/05/92 5,111,027 07/616,224 05/05/92 5,111,029 07/587,662 05/05/92 5,111,033 07/759,110 05/05/92 5,111,034 07/554,726 05/05/92 5,111,035 07/483,915 05/05/92 5,111,037 07/548,119 05/05/92 5,111,042 07/469,481 05/05/92 5,111,058 07/527,272 05/05/92 5,111,061 07/704,593 05/05/92 5,111,065 07/497,993 05/05/92 5,111,069 07/676,133 05/05/92 5,111,073 07/581,951 05/05/92 5,111,074 07/559,162 05/05/92 5,111,076 07/577,791 05/05/92 5,111,081 07/630,576 05/05/92 5,111,082 07/551,495 05/05/92 5,111,091 07/689,051 05/05/92 5,111,098 07/463,736 05/05/92 5,111,099 07/487,603 05/05/92 5,111,102 07/522,209 05/05/92 5,111,104 07/762,155 05/05/92 5,111,111 07/589,078 05/05/92 5,111,128 07/628,959 05/05/92 5,111,129 07/520,071 05/05/92 5,111,133 07/589,068 05/05/92 5,111,134 07/440,523 05/05/92 5,111,140 07/489,914 05/05/92 5,111,144 07/612,950 05/05/92 5,111,146 07/529,987 05/05/92 5,111,147 07/490,603 05/05/92 5,111,167 07/612,105 05/05/92 5,111,174 07/555,041 05/05/92 5,111,175 07/633,619 05/05/92 5,111,180 07/659,100 05/05/92 5,111,182 07/507,357 05/05/92 5,111,183 07/676,426 05/05/92 5,111,188 07/417,266 05/05/92 5,111,189 07/441,461 05/05/92 5,111,200 07/453,033 05/05/92 5,111,210 07/542,072 05/05/92 5,111,212 07/472,017 05/05/92 5,111,213 07/468,666 05/05/92 5,111,224 07/652,003 05/05/92 5,111,228 07/670,635 05/05/92 5,111,229 07/641,248 05/05/92 5,111,230 07/574,284 05/05/92 5,111,239 07/693,365 05/05/92 5,111,240 07/477,371 05/05/92 5,111,258 07/742,081 05/05/92 5,111,267 07/584,059 05/05/92 5,111,278 07/676,936 05/05/92 5,111,285 07/522,827 05/05/92 5,111,286 07/660,085 05/05/92 5,111,312 07/654,216 05/05/92 5,111,314 07/564,580 05/05/92 5,111,316 07/566,104 05/05/92 5,111,323 07/358,514 05/05/92 5,111,326 07/691,264 05/05/92 5,111,337 07/638,363 05/05/92 5,111,342 07/560,085 05/05/92 5,111,345 07/357,928 05/05/92 5,111,347 07/419,249 05/05/92 5,111,348 07/044,433 05/05/92 5,111,350 07/622,173 05/05/92 5,111,360 07/645,716 05/05/92 5,111,365 07/717,958 05/05/92 5,111,366 07/702,270 05/05/92 5,111,374 07/542,903 05/05/92 5,111,378 07/560,597 05/05/92 5,111,389 07/114,909 05/05/92 5,111,401 07/531,483 05/05/92 5,111,422 07/577,394 05/05/92 5,111,426 07/327,979 05/05/92 5,111,437 07/739,951 05/05/92 5,111,438 07/783,665 05/05/92 5,111,439 07/532,699 05/05/92 5,111,447 07/548,203 05/05/92 5,111,456 07/567,285 05/05/92 5,111,458 07/385,192 05/05/92 5,111,477 07/521,981 05/05/92 5,111,487 07/384,219 05/05/92 5,111,494 07/574,623 05/05/92 5,111,501 07/476,837 05/05/92 5,111,507 07/556,541 05/05/92 5,111,508 07/460,635 05/05/92 5,111,516 07/507,406 05/05/92 5,111,520 07/659,074 05/05/92 5,111,521 07/659,091 05/05/92 5,111,523 07/637,235 05/05/92 5,111,531 07/462,503 05/05/92 5,111,532 07/536,552 05/05/92 5,111,534 07/576,744 05/05/92 PATENTS WHICH EXPIRED ON May 7, 2000 DUE TO FAILURE TO PAY MAINTENANCE FEES 5,513,392 08/342,883 05/07/96 5,513,397 08/304,518 05/07/96 5,513,399 08/319,576 05/07/96 5,513,400 08/137,835 05/07/96 5,513,402 08/197,961 05/07/96 5,513,404 08/345,387 05/07/96 5,513,405 08/332,795 05/07/96 5,513,408 08/249,154 05/07/96 5,513,414 08/163,437 05/07/96 5,513,432 08/385,165 05/07/96 5,513,437 08/316,919 05/07/96 5,513,443 08/372,766 05/07/96 5,513,447 08/387,564 05/07/96 5,513,450 08/303,819 05/07/96 5,513,454 08/248,212 05/07/96 5,513,462 08/347,035 05/07/96 5,513,463 08/268,199 05/07/96 5,513,464 08/337,727 05/07/96 5,513,469 08/394,881 05/07/96 5,513,474 08/232,176 05/07/96 5,513,475 08/245,452 05/07/96 5,513,476 08/017,617 05/07/96 5,513,480 08/384,581 05/07/96 5,513,486 08/345,627 05/07/96 5,513,494 08/298,664 05/07/96 5,513,495 08/211,878 05/07/96 5,513,499 08/225,049 05/07/96 5,513,501 08/344,168 05/07/96 5,513,506 08/251,021 05/07/96 5,513,508 08/143,492 05/07/96 5,513,517 08/308,918 05/07/96 5,513,519 08/311,414 05/07/96 5,513,526 08/279,037 05/07/96 5,513,530 08/169,186 05/07/96 5,513,534 08/318,292 05/07/96 5,513,536 08/328,689 05/07/96 5,513,539 08/268,779 05/07/96 5,513,543 08/038,127 05/07/96 5,513,550 08/235,701 05/07/96 5,513,552 08/493,726 05/07/96 5,513,557 08/512,166 05/07/96 5,513,561 08/279,234 05/07/96 5,513,568 08/349,528 05/07/96 5,513,573 08/519,536 05/07/96 5,513,574 08/334,273 05/07/96 5,513,575 08/182,015 05/07/96 5,513,577 08/255,041 05/07/96 5,513,578 08/194,867 05/07/96 5,513,580 08/204,491 05/07/96 5,513,582 08/420,631 05/07/96 5,513,584 07/498,952 05/07/96 5,513,591 08/320,627 05/07/96 5,513,592 08/490,356 05/07/96 5,513,593 08/221,198 05/07/96 5,513,596 08/327,325 05/07/96 5,513,605 08/294,175 05/07/96 5,513,619 08/380,375 05/07/96 5,513,621 08/255,640 05/07/96 5,513,635 08/382,564 05/07/96 5,513,648 08/202,660 05/07/96 5,513,653 08/426,660 05/07/96 5,513,654 08/425,713 05/07/96 5,513,655 08/348,573 05/07/96 5,513,660 08/424,585 05/07/96 5,513,661 08/138,453 05/07/96 5,513,667 08/348,716 05/07/96 5,513,669 08/410,963 05/07/96 5,513,678 08/106,394 05/07/96 5,513,693 08/211,592 05/07/96 5,513,696 08/400,914 05/07/96 5,513,704 08/310,668 05/07/96 5,513,709 07/704,415 05/07/96 5,513,710 08/337,188 05/07/96 5,513,711 08/299,484 05/07/96 5,513,713 08/188,612 05/07/96 5,513,715 08/299,821 05/07/96 5,513,729 08/461,738 05/07/96 5,513,730 08/394,107 05/07/96 5,513,731 08/274,787 05/07/96 5,513,733 08/309,120 05/07/96 5,513,734 08/254,019 05/07/96 5,513,739 08/202,230 05/07/96 5,513,746 08/255,425 05/07/96 5,513,749 08/439,494 05/07/96 5,513,750 08/229,319 05/07/96 5,513,753 08/336,121 05/07/96 5,513,754 08/455,722 05/07/96 5,513,762 08/344,867 05/07/96 5,513,763 08/368,752 05/07/96 5,513,764 08/189,204 05/07/96 5,513,770 08/500,279 05/07/96 5,513,778 08/277,628 05/07/96 5,513,782 08/244,289 05/07/96 5,513,783 08/329,160 05/07/96 5,513,784 08/272,150 05/07/96 5,513,804 08/396,844 05/07/96 5,513,805 08/414,017 05/07/96 5,513,806 08/268,276 05/07/96 5,513,814 08/252,119 05/07/96 5,513,816 08/174,663 05/07/96 5,513,817 08/360,209 05/07/96 5,513,819 08/258,954 05/07/96 5,513,829 08/392,206 05/07/96 5,513,837 08/394,651 05/07/96 5,513,842 08/315,559 05/07/96 5,513,843 08/045,635 05/07/96 5,513,845 08/455,733 05/07/96 5,513,846 08/334,392 05/07/96 5,513,847 08/500,239 05/07/96 5,513,848 08/398,674 05/07/96 5,513,850 08/405,154 05/07/96 5,513,852 08/499,660 05/07/96 5,513,854 08/232,484 05/07/96 5,513,862 08/346,099 05/07/96 5,513,865 08/277,832 05/07/96 5,513,870 08/449,490 05/07/96 5,513,872 08/389,595 05/07/96 5,513,873 08/343,231 05/07/96 5,513,876 08/390,046 05/07/96 5,513,881 08/404,083 05/07/96 5,513,883 08/386,149 05/07/96 5,513,889 08/365,580 05/07/96 5,513,892 08/283,182 05/07/96 5,513,901 08/212,368 05/07/96 5,513,903 08/300,215 05/07/96 5,513,912 08/376,135 05/07/96 5,513,914 08/027,816 05/07/96 5,513,921 08/027,343 05/07/96 5,513,923 08/228,094 05/07/96 5,513,930 08/129,137 05/07/96 5,513,932 08/199,202 05/07/96 5,513,935 08/331,680 05/07/96 5,513,936 08/229,231 05/07/96 5,513,938 08/415,187 05/07/96 5,513,941 08/391,194 05/07/96 5,513,953 08/304,886 05/07/96 5,513,965 08/445,209 05/07/96 5,513,966 08/465,721 05/07/96 5,513,967 08/403,737 05/07/96 5,513,973 08/183,131 05/07/96 5,513,977 08/284,449 05/07/96 5,513,980 08/397,957 05/07/96 5,513,984 08/376,650 05/07/96 5,513,985 08/214,436 05/07/96 5,513,989 08/222,061 05/07/96 5,513,991 08/348,605 05/07/96 5,513,992 08/284,696 05/07/96 5,513,998 08/271,749 05/07/96 5,513,999 08/252,724 05/07/96 5,514,003 08/291,119 05/07/96 5,514,004 08/341,025 05/07/96 5,514,009 08/480,950 05/07/96 5,514,018 08/394,428 05/07/96 5,514,019 08/296,505 05/07/96 5,514,020 08/405,306 05/07/96 5,514,029 08/051,090 05/07/96 5,514,032 08/390,116 05/07/96 5,514,037 08/212,831 05/07/96 5,514,039 08/254,539 05/07/96 5,514,041 08/342,755 05/07/96 5,514,042 08/509,729 05/07/96 5,514,052 08/201,611 05/07/96 5,514,053 08/319,325 05/07/96 5,514,054 08/256,038 05/07/96 5,514,055 08/336,772 05/07/96 5,514,057 08/245,455 05/07/96 5,514,058 08/372,765 05/07/96 5,514,060 08/291,206 05/07/96 5,514,076 08/187,702 05/07/96 5,514,077 08/270,648 05/07/96 5,514,082 08/406,449 05/07/96 5,514,083 08/406,606 05/07/96 5,514,084 08/280,372 05/07/96 5,514,094 08/196,942 05/07/96 5,514,113 08/212,052 05/07/96 5,514,122 08/243,469 05/07/96 5,514,136 08/300,973 05/07/96 5,514,142 08/349,424 05/07/96 5,514,147 08/318,815 05/07/96 5,514,152 08/291,234 05/07/96 5,514,155 08/165,835 05/07/96 5,514,170 08/296,021 05/07/96 5,514,179 08/105,408 05/07/96 5,514,180 08/182,294 05/07/96 5,514,192 08/015,554 05/07/96 5,514,193 08/115,287 05/07/96 5,514,194 08/501,629 05/07/96 5,514,196 08/226,853 05/07/96 5,514,238 08/210,304 05/07/96 5,514,239 08/477,739 05/07/96 5,514,255 08/377,866 05/07/96 5,514,266 08/240,934 05/07/96 5,514,268 08/150,056 05/07/96 5,514,270 08/231,183 05/07/96 5,514,276 08/264,172 05/07/96 5,514,289 08/421,103 05/07/96 5,514,290 08/324,328 05/07/96 5,514,305 08/526,038 05/07/96 5,514,308 08/371,326 05/07/96 5,514,309 08/262,854 05/07/96 5,514,313 08/371,873 05/07/96 5,514,320 08/428,687 05/07/96 5,514,324 08/043,579 05/07/96 5,514,352 08/270,710 05/07/96 5,514,355 08/190,583 05/07/96 5,514,358 08/412,799 05/07/96 5,514,368 08/244,976 05/07/96 5,514,374 08/244,582 05/07/96 5,514,382 08/324,780 05/07/96 5,514,392 08/265,933 05/07/96 5,514,403 08/317,470 05/07/96 5,514,412 08/523,163 05/07/96 5,514,424 08/223,816 05/07/96 5,514,432 08/136,082 05/07/96 5,514,449 07/803,087 05/07/96 5,514,458 08/098,387 05/07/96 5,514,479 08/461,455 05/07/96 5,514,489 08/328,073 05/07/96 5,514,503 08/324,345 05/07/96 5,514,509 07/957,680 05/07/96 5,514,516 08/450,633 05/07/96 5,514,541 08/304,977 05/07/96 5,514,552 08/056,844 05/07/96 5,514,553 07/356,044 05/07/96 5,514,557 08/254,398 05/07/96 5,514,562 08/318,569 05/07/96 5,514,580 08/149,702 05/07/96 5,514,587 08/220,677 05/07/96 5,514,589 08/215,529 05/07/96 5,514,594 08/262,627 05/07/96 5,514,598 08/159,794 05/07/96 5,514,621 08/088,797 05/07/96 5,514,648 07/984,563 05/07/96 5,514,662 08/087,709 05/07/96 5,514,664 07/949,870 05/07/96 5,514,673 08/224,164 05/07/96 5,514,697 08/221,586 05/07/96 5,514,702 08/178,237 05/07/96 5,514,705 08/303,049 05/07/96 5,514,718 08/227,943 05/07/96 5,514,719 08/261,706 05/07/96 5,514,725 08/477,821 05/07/96 5,514,734 08/500,026 05/07/96 5,514,743 08/489,730 05/07/96 5,514,749 08/241,237 05/07/96 5,514,752 08/309,127 05/07/96 5,514,762 08/325,091 05/07/96 5,514,775 08/075,391 05/07/96 5,514,780 07/926,673 05/07/96 5,514,790 08/427,229 05/07/96 5,514,799 08/101,368 05/07/96 5,514,800 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