Notice of Expiration of Patents Due to Failure to Pay Maintenance Fee 35 U.S.C. 41 and 37 CFR 1.362(g) provide that if the required maintenance fee and any applicable surcharge are not paid in a patent requiring such payment, the patent will expire at the end of the 4th, 8th or 12th anniversary of the grant of the patent depending on the first maintenance fee which was not paid. According to the records of the Office, the patents listed below have expired due to failure to pay the required maintenance fee and any applicable surcharge. PATENTS WHICH EXPIRED ON August 1, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 4,852,186 07/229,349 08/01/89 4,852,192 07/011,527 08/01/89 4,852,195 07/109,298 08/01/89 4,852,197 07/166,684 08/01/89 4,852,214 07/262,484 08/01/89 4,852,218 07/179,869 08/01/89 4,852,221 07/258,593 08/01/89 4,852,231 07/047,299 08/01/89 4,852,233 07/222,251 08/01/89 4,852,237 07/137,467 08/01/89 4,852,238 07/208,578 08/01/89 4,852,243 07/194,144 08/01/89 4,852,247 07/207,362 08/01/89 4,852,252 07/277,094 08/01/89 4,852,258 06/631,000 08/01/89 4,852,269 07/243,485 08/01/89 4,852,276 07/146,415 08/01/89 4,852,278 07/065,528 08/01/89 4,852,285 06/687,632 08/01/89 4,852,291 07/266,008 08/01/89 4,852,294 07/113,388 08/01/89 4,852,301 07/138,291 08/01/89 4,852,305 07/222,362 08/01/89 4,852,306 07/104,068 08/01/89 4,852,314 07/270,375 08/01/89 4,852,320 07/185,053 08/01/89 4,852,322 07/240,037 08/01/89 4,852,326 07/186,461 08/01/89 4,852,341 07/180,992 08/01/89 4,852,345 07/157,012 08/01/89 4,852,357 07/258,261 08/01/89 4,852,361 07/164,962 08/01/89 4,852,369 07/215,650 08/01/89 4,852,376 07/104,705 08/01/89 4,852,380 07/213,228 08/01/89 4,852,381 07/199,431 08/01/89 4,852,400 07/300,240 08/01/89 4,852,411 07/288,081 08/01/89 4,852,416 07/226,196 08/01/89 4,852,419 07/160,646 08/01/89 4,852,435 07/083,631 08/01/89 4,852,437 07/213,192 08/01/89 4,852,438 07/095,071 08/01/89 4,852,440 07/117,147 08/01/89 4,852,441 07/076,406 08/01/89 4,852,443 06/843,054 08/01/89 4,852,444 06/937,871 08/01/89 4,852,447 07/194,140 08/01/89 4,852,454 07/119,182 08/01/89 4,852,458 07/150,351 08/01/89 4,852,467 07/166,778 08/01/89 4,852,472 07/218,992 08/01/89 4,852,475 07/185,890 08/01/89 4,852,484 07/229,152 08/01/89 4,852,488 06/400,707 08/01/89 4,852,491 07/114,215 08/01/89 4,852,497 06/533,427 08/01/89 4,852,500 07/027,611 08/01/89 4,852,504 07/209,703 08/01/89 4,852,509 07/232,296 08/01/89 4,852,515 06/875,624 08/01/89 4,852,522 07/123,737 08/01/89 4,852,525 06/932,804 08/01/89 4,852,526 07/232,144 08/01/89 4,852,528 07/209,279 08/01/89 4,852,531 07/166,503 08/01/89 4,852,533 07/121,340 08/01/89 4,852,560 07/186,267 08/01/89 4,852,578 07/118,993 08/01/89 4,852,589 07/168,467 08/01/89 4,852,594 07/132,936 08/01/89 4,852,597 07/029,716 08/01/89 4,852,605 07/141,609 08/01/89 4,852,617 07/176,944 08/01/89 4,852,621 07/083,110 08/01/89 4,852,630 07/016,499 08/01/89 4,852,631 07/173,292 08/01/89 4,852,649 07/247,084 08/01/89 4,852,657 06/881,412 08/01/89 4,852,668 07/140,488 08/01/89 4,852,675 07/281,066 08/01/89 4,852,678 07/128,052 08/01/89 4,852,681 07/215,601 08/01/89 4,852,688 07/211,820 08/01/89 4,852,702 07/193,039 08/01/89 4,852,703 07/215,577 08/01/89 4,852,706 07/092,240 08/01/89 4,852,717 06/929,457 08/01/89 4,852,730 07/225,400 08/01/89 4,852,731 07/256,900 08/01/89 4,852,747 07/165,982 08/01/89 4,852,749 07/163,305 08/01/89 4,852,753 07/231,371 08/01/89 4,852,758 07/213,533 08/01/89 4,852,760 07/223,799 08/01/89 4,852,766 07/165,861 08/01/89 4,852,773 07/138,713 08/01/89 4,852,774 07/237,186 08/01/89 4,852,789 07/284,707 08/01/89 4,852,798 07/122,751 08/01/89 4,852,800 06/744,980 08/01/89 4,852,813 07/208,235 08/01/89 4,852,839 07/174,890 08/01/89 4,852,855 07/156,380 08/01/89 4,852,872 07/298,692 08/01/89 4,852,881 07/248,592 08/01/89 4,852,883 07/162,613 08/01/89 4,852,886 07/141,993 08/01/89 4,852,896 06/897,894 08/01/89 4,852,898 07/206,714 08/01/89 4,852,901 07/017,262 08/01/89 4,852,909 07/077,897 08/01/89 4,852,916 07/145,456 08/01/89 4,852,928 07/178,524 08/01/89 4,852,934 07/128,447 08/01/89 4,852,937 07/008,345 08/01/89 4,852,952 07/233,409 08/01/89 4,852,957 07/185,093 08/01/89 4,852,964 07/021,467 08/01/89 4,852,967 06/843,637 08/01/89 4,852,979 07/079,764 08/01/89 4,852,980 07/003,957 08/01/89 4,852,983 07/099,103 08/01/89 4,852,989 07/047,804 08/01/89 4,852,993 07/084,354 08/01/89 4,852,996 06/865,989 08/01/89 4,853,010 06/650,240 08/01/89 4,853,017 07/292,592 08/01/89 4,853,019 06/537,674 08/01/89 4,853,038 07/060,787 08/01/89 4,853,044 07/144,697 08/01/89 4,853,052 07/248,707 08/01/89 4,853,060 07/158,839 08/01/89 4,853,061 07/115,802 08/01/89 4,853,063 07/207,785 08/01/89 4,853,066 07/113,546 08/01/89 4,853,078 07/268,650 08/01/89 4,853,080 07/284,166 08/01/89 4,853,090 07/187,175 08/01/89 4,853,104 07/183,866 08/01/89 4,853,105 07/148,204 08/01/89 4,853,119 07/172,688 08/01/89 4,853,125 07/060,616 08/01/89 4,853,140 07/312,012 08/01/89 4,853,141 07/205,207 08/01/89 4,853,143 07/168,723 08/01/89 4,853,161 07/219,879 08/01/89 4,853,163 07/158,447 08/01/89 4,853,178 07/272,327 08/01/89 4,853,182 07/104,173 08/01/89 4,853,185 07/154,606 08/01/89 4,853,190 07/196,799 08/01/89 4,853,195 07/061,217 08/01/89 4,853,199 07/141,774 08/01/89 4,853,200 07/171,199 08/01/89 4,853,213 07/168,989 08/01/89 4,853,218 07/018,243 08/01/89 4,853,225 06/938,200 08/01/89 4,853,238 07/222,658 08/01/89 4,853,246 07/256,411 08/01/89 4,853,248 07/122,550 08/01/89 4,853,249 06/928,370 08/01/89 4,853,255 07/166,994 08/01/89 4,853,260 07/171,723 08/01/89 4,853,261 07/181,058 08/01/89 4,853,263 07/182,464 08/01/89 4,853,264 07/143,728 08/01/89 4,853,272 07/130,763 08/01/89 4,853,277 07/253,986 08/01/89 4,853,284 07/019,336 08/01/89 4,853,285 07/103,013 08/01/89 4,853,293 07/126,918 08/01/89 4,853,304 07/146,533 08/01/89 4,853,310 07/196,739 08/01/89 4,853,315 07/144,825 08/01/89 4,853,316 07/121,938 08/01/89 4,853,320 07/116,413 08/01/89 4,853,335 07/101,415 08/01/89 4,853,365 07/235,235 08/01/89 4,853,386 06/897,109 08/01/89 4,853,395 07/121,543 08/01/89 4,853,403 06/890,034 08/01/89 4,853,411 07/131,681 08/01/89 4,853,420 07/047,071 08/01/89 4,853,426 07/147,953 08/01/89 4,853,428 07/115,800 08/01/89 4,853,432 07/068,590 08/01/89 4,853,433 07/176,660 08/01/89 4,853,438 07/143,216 08/01/89 4,853,440 07/057,092 08/01/89 4,853,442 07/033,563 08/01/89 4,853,448 07/079,404 08/01/89 4,853,453 07/135,512 08/01/89 4,853,466 07/123,391 08/01/89 4,853,482 06/545,150 08/01/89 4,853,491 06/781,080 08/01/89 4,853,497 07/208,467 08/01/89 4,853,498 07/205,896 08/01/89 4,853,499 07/283,509 08/01/89 4,853,507 07/187,667 08/01/89 4,853,510 07/217,700 08/01/89 4,853,515 07/254,001 08/01/89 4,853,532 07/199,636 08/01/89 4,853,544 07/183,650 08/01/89 4,853,550 06/912,932 08/01/89 4,853,557 07/194,925 08/01/89 4,853,568 07/149,845 08/01/89 4,853,574 07/307,544 08/01/89 4,853,582 07/177,651 08/01/89 4,853,585 07/156,491 08/01/89 4,853,592 07/166,144 08/01/89 4,853,603 07/169,018 08/01/89 4,853,605 07/201,265 08/01/89 4,853,608 07/078,197 08/01/89 4,853,617 07/172,628 08/01/89 4,853,618 07/026,319 08/01/89 4,853,619 07/156,931 08/01/89 4,853,623 07/268,644 08/01/89 4,853,625 07/197,508 08/01/89 4,853,628 07/095,284 08/01/89 4,853,630 07/090,764 08/01/89 4,853,631 07/117,035 08/01/89 4,853,635 07/203,542 08/01/89 4,853,636 07/141,788 08/01/89 4,853,637 07/013,729 08/01/89 4,853,638 07/141,424 08/01/89 4,853,645 07/249,623 08/01/89 4,853,651 07/094,471 08/01/89 4,853,653 07/184,849 08/01/89 4,853,662 07/113,521 08/01/89 4,853,664 07/112,215 08/01/89 4,853,665 07/264,474 08/01/89 4,853,666 07/200,623 08/01/89 4,853,681 07/072,227 08/01/89 4,853,683 07/147,965 08/01/89 4,853,684 07/144,374 08/01/89 4,853,687 07/137,332 08/01/89 4,853,699 07/119,938 08/01/89 4,853,703 07/026,705 08/01/89 4,853,709 07/102,330 08/01/89 4,853,710 06/936,079 08/01/89 4,853,722 07/243,596 08/01/89 4,853,727 07/237,172 08/01/89 4,853,753 07/117,583 08/01/89 4,853,764 07/245,403 08/01/89 4,853,767 07/016,918 08/01/89 4,853,771 07/179,327 08/01/89 4,853,774 07/264,257 08/01/89 4,853,782 07/165,691 08/01/89 4,853,787 07/240,302 08/01/89 4,853,810 07/124,137 08/01/89 4,853,813 07/189,317 08/01/89 4,853,822 07/114,161 08/01/89 4,853,829 07/269,082 08/01/89 4,853,836 07/175,291 08/01/89 4,853,839 07/251,665 08/01/89 4,853,840 07/000,427 08/01/89 4,853,843 07/136,174 08/01/89 4,853,844 06/885,883 08/01/89 4,853,845 06/900,870 08/01/89 4,853,853 07/185,282 08/01/89 4,853,861 07/092,088 08/01/89 4,853,862 06/820,739 08/01/89 4,853,866 07/027,817 08/01/89 4,853,872 06/782,901 08/01/89 4,853,873 07/059,609 08/01/89 4,853,887 07/095,214 08/01/89 4,853,890 06/485,396 08/01/89 4,853,913 06/875,110 08/01/89 4,853,914 07/168,246 08/01/89 4,853,921 07/039,748 08/01/89 4,853,923 06/939,026 08/01/89 4,853,925 07/090,371 08/01/89 4,853,928 07/090,869 08/01/89 4,853,929 07/164,483 08/01/89 4,853,936 07/181,016 08/01/89 4,853,947 07/099,569 08/01/89 4,853,962 07/129,306 08/01/89 4,853,969 07/195,428 08/01/89 4,853,971 06/838,553 08/01/89 PATENTS WHICH EXPIRED ON July 27, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,230,107 07/835,702 07/27/93 5,230,110 07/915,287 07/27/93 5,230,118 07/794,129 07/27/93 5,230,122 07/763,554 07/27/93 5,230,130 07/929,288 07/27/93 5,230,134 07/833,665 07/27/93 5,230,137 07/789,856 07/27/93 5,230,138 07/667,394 07/27/93 5,230,149 07/939,073 07/27/93 5,230,151 07/842,239 07/27/93 5,230,152 07/802,408 07/27/93 5,230,155 07/965,237 07/27/93 5,230,160 07/933,693 07/27/93 5,230,164 07/784,541 07/27/93 5,230,167 07/785,397 07/27/93 5,230,170 07/892,614 07/27/93 5,230,172 07/889,850 07/27/93 5,230,179 07/922,619 07/27/93 5,230,186 07/864,320 07/27/93 5,230,207 07/721,457 07/27/93 5,230,208 07/939,382 07/27/93 5,230,211 07/685,338 07/27/93 5,230,216 07/918,605 07/27/93 5,230,217 07/885,580 07/27/93 5,230,222 07/805,775 07/27/93 5,230,223 07/855,614 07/27/93 5,230,225 07/885,669 07/27/93 5,230,229 07/834,090 07/27/93 5,230,231 07/921,767 07/27/93 5,230,236 07/771,456 07/27/93 5,230,237 07/880,024 07/27/93 5,230,238 07/676,982 07/27/93 5,230,241 07/798,116 07/27/93 5,230,250 07/753,868 07/27/93 5,230,253 07/869,197 07/27/93 5,230,271 07/814,724 07/27/93 5,230,281 07/727,899 07/27/93 5,230,285 07/641,435 07/27/93 5,230,290 07/895,771 07/27/93 5,230,294 07/880,750 07/27/93 5,230,307 07/950,007 07/27/93 5,230,312 07/962,719 07/27/93 5,230,318 07/895,811 07/27/93 5,230,319 07/771,445 07/27/93 5,230,320 07/906,302 07/27/93 5,230,324 07/770,920 07/27/93 5,230,326 07/967,017 07/27/93 5,230,327 07/920,739 07/27/93 5,230,342 07/752,399 07/27/93 5,230,347 07/845,069 07/27/93 5,230,350 07/706,937 07/27/93 5,230,354 07/753,508 07/27/93 5,230,358 07/566,810 07/27/93 5,230,363 07/683,227 07/27/93 5,230,367 07/785,689 07/27/93 5,230,368 07/931,689 07/27/93 5,230,370 07/845,984 07/27/93 5,230,371 07/829,985 07/27/93 5,230,373 07/754,397 07/27/93 5,230,381 07/910,575 07/27/93 5,230,384 07/864,035 07/27/93 5,230,385 07/932,606 07/27/93 5,230,404 07/843,150 07/27/93 5,230,408 07/932,720 07/27/93 5,230,410 07/770,031 07/27/93 5,230,418 07/975,051 07/27/93 5,230,420 07/994,187 07/27/93 5,230,425 07/844,635 07/27/93 5,230,426 07/944,335 07/27/93 5,230,427 07/713,893 07/27/93 5,230,430 07/826,025 07/27/93 5,230,431 07/773,866 07/27/93 5,230,435 07/977,954 07/27/93 5,230,436 07/890,202 07/27/93 5,230,438 07/948,281 07/27/93 5,230,440 07/773,620 07/27/93 5,230,441 07/737,205 07/27/93 5,230,450 07/698,609 07/27/93 5,230,451 07/762,489 07/27/93 5,230,452 07/835,317 07/27/93 5,230,464 07/987,774 07/27/93 5,230,468 07/686,995 07/27/93 5,230,469 07/908,054 07/27/93 5,230,470 07/718,215 07/27/93 5,230,471 07/666,230 07/27/93 5,230,473 07/867,497 07/27/93 5,230,475 07/988,815 07/27/93 5,230,476 07/708,728 07/27/93 5,230,484 07/749,666 07/27/93 5,230,488 07/913,154 07/27/93 5,230,496 07/740,815 07/27/93 5,230,500 07/915,339 07/27/93 5,230,506 07/844,557 07/27/93 5,230,508 07/820,000 07/27/93 5,230,509 07/867,454 07/27/93 5,230,513 07/832,946 07/27/93 5,230,514 07/926,649 07/27/93 5,230,518 07/808,368 07/27/93 5,230,523 07/738,265 07/27/93 5,230,528 07/813,377 07/27/93 5,230,532 07/855,205 07/27/93 5,230,533 07/784,884 07/27/93 5,230,536 07/910,947 07/27/93 5,230,547 07/789,843 07/27/93 5,230,548 07/933,306 07/27/93 5,230,557 07/814,426 07/27/93 5,230,569 07/768,919 07/27/93 5,230,571 07/983,507 07/27/93 5,230,582 07/718,690 07/27/93 5,230,583 07/684,977 07/27/93 5,230,584 07/746,951 07/27/93 5,230,592 07/894,750 07/27/93 5,230,595 07/881,510 07/27/93 5,230,608 07/834,778 07/27/93 5,230,609 07/830,602 07/27/93 5,230,617 07/765,335 07/27/93 5,230,622 07/929,894 07/27/93 5,230,630 07/915,324 07/27/93 5,230,638 07/929,087 07/27/93 5,230,646 07/792,694 07/27/93 5,230,649 07/715,427 07/27/93 5,230,654 07/906,611 07/27/93 5,230,656 07/925,000 07/27/93 5,230,663 07/792,397 07/27/93 5,230,666 07/980,402 07/27/93 5,230,672 07/668,588 07/27/93 5,230,675 07/981,499 07/27/93 5,230,678 07/941,232 07/27/93 5,230,679 07/886,884 07/27/93 5,230,682 07/708,760 07/27/93 5,230,683 07/830,650 07/27/93 5,230,684 07/885,625 07/27/93 5,230,696 07/915,533 07/27/93 5,230,706 07/850,355 07/27/93 5,230,707 07/587,181 07/27/93 5,230,712 07/952,347 07/27/93 5,230,715 07/789,589 07/27/93 5,230,716 07/913,095 07/27/93 5,230,720 07/823,389 07/27/93 5,230,722 07/277,378 07/27/93 5,230,725 07/989,531 07/27/93 5,230,737 07/701,537 07/27/93 5,230,738 07/809,333 07/27/93 5,230,739 07/606,081 07/27/93 5,230,750 07/770,022 07/27/93 5,230,757 07/785,042 07/27/93 5,230,761 07/970,988 07/27/93 5,230,763 07/571,867 07/27/93 5,230,764 07/474,003 07/27/93 5,230,769 07/805,325 07/27/93 5,230,774 07/753,549 07/27/93 5,230,787 07/814,637 07/27/93 5,230,791 07/725,716 07/27/93 5,230,799 07/729,552 07/27/93 5,230,804 07/852,797 07/27/93 5,230,806 07/803,136 07/27/93 5,230,809 07/849,586 07/27/93 5,230,813 07/805,047 07/27/93 5,230,816 07/878,677 07/27/93 5,230,817 07/680,030 07/27/93 5,230,820 07/973,591 07/27/93 5,230,821 07/801,917 07/27/93 5,230,838 07/721,499 07/27/93 5,230,859 07/613,883 07/27/93 5,230,861 07/817,491 07/27/93 5,230,870 07/888,931 07/27/93 5,230,872 07/749,946 07/27/93 5,230,874 07/925,943 07/27/93 5,230,883 07/825,884 07/27/93 5,230,886 07/853,132 07/27/93 5,230,887 07/629,331 07/27/93 5,230,888 07/530,468 07/27/93 5,230,892 07/911,992 07/27/93 5,230,893 07/811,651 07/27/93 5,230,904 07/773,237 07/27/93 5,230,908 07/774,692 07/27/93 5,230,911 07/780,159 07/27/93 5,230,912 07/617,089 07/27/93 5,230,914 07/694,643 07/27/93 5,230,926 07/874,863 07/27/93 5,230,939 07/577,118 07/27/93 5,230,944 07/787,097 07/27/93 5,230,948 07/886,639 07/27/93 5,230,953 07/625,424 07/27/93 5,230,960 07/653,544 07/27/93 5,230,967 07/834,568 07/27/93 5,230,974 07/813,712 07/27/93 5,230,980 07/737,290 07/27/93 5,230,987 07/530,171 07/27/93 5,230,991 07/778,526 07/27/93 5,231,002 07/581,067 07/27/93 5,231,003 07/522,881 07/27/93 5,231,006 07/582,779 07/27/93 5,231,018 07/790,582 07/27/93 5,231,032 07/681,896 07/27/93 5,231,040 07/825,293 07/27/93 5,231,041 07/819,206 07/27/93 5,231,062 07/565,058 07/27/93 5,231,076 07/739,243 07/27/93 5,231,078 07/755,264 07/27/93 5,231,079 07/891,745 07/27/93 5,231,088 07/898,164 07/27/93 5,231,097 07/739,647 07/27/93 5,231,105 07/354,880 07/27/93 5,231,106 07/804,902 07/27/93 5,231,108 07/832,990 07/27/93 5,231,114 07/867,431 07/27/93 5,231,130 07/974,492 07/27/93 5,231,145 07/679,275 07/27/93 5,231,148 07/794,057 07/27/93 5,231,155 07/693,132 07/27/93 5,231,157 07/648,107 07/27/93 5,231,164 07/842,785 07/27/93 5,231,165 07/882,715 07/27/93 5,231,171 07/806,262 07/27/93 5,231,172 07/964,516 07/27/93 5,231,180 07/851,458 07/27/93 5,231,185 07/734,593 07/27/93 5,231,196 07/627,637 07/27/93 5,231,198 07/909,541 07/27/93 5,231,204 07/941,019 07/27/93 5,231,209 07/806,668 07/27/93 5,231,216 07/743,233 07/27/93 5,231,219 07/906,833 07/27/93 5,231,226 07/948,425 07/27/93 5,231,237 07/927,330 07/27/93 5,231,244 07/768,219 07/27/93 5,231,249 07/773,667 07/27/93 5,231,251 07/868,175 07/27/93 5,231,254 07/805,215 07/27/93 5,231,255 07/807,268 07/27/93 5,231,257 07/792,604 07/27/93 5,231,273 07/682,721 07/27/93 5,231,275 07/852,448 07/27/93 5,231,278 07/705,245 07/27/93 5,231,286 07/748,687 07/27/93 5,231,298 07/833,908 07/27/93 5,231,317 07/672,709 07/27/93 5,231,320 07/947,084 07/27/93 5,231,329 07/728,646 07/27/93 5,231,331 07/842,559 07/27/93 5,231,333 07/613,245 07/27/93 5,231,339 07/670,728 07/27/93 5,231,340 07/449,920 07/27/93 5,231,342 07/646,725 07/27/93 5,231,345 07/666,611 07/27/93 5,231,346 07/833,793 07/27/93 5,231,365 07/802,731 07/27/93 5,231,366 07/663,471 07/27/93 5,231,370 07/739,867 07/27/93 5,231,373 07/723,453 07/27/93 5,231,379 07/587,221 07/27/93 5,231,383 07/674,245 07/27/93 5,231,385 07/648,265 07/27/93 5,231,389 07/818,059 07/27/93 5,231,396 07/818,820 07/27/93 5,231,398 07/861,483 07/27/93 5,231,412 07/780,663 07/27/93 5,231,414 07/813,223 07/27/93 5,231,443 07/807,983 07/27/93 5,231,455 07/930,779 07/27/93 5,231,463 07/795,371 07/27/93 5,231,469 07/924,371 07/27/93 5,231,472 07/760,651 07/27/93 5,231,478 07/813,537 07/27/93 5,231,483 07/825,833 07/27/93 5,231,491 07/689,261 07/27/93 5,231,505 07/715,925 07/27/93 5,231,539 07/826,446 07/27/93 5,231,550 07/667,164 07/27/93 5,231,553 07/925,241 07/27/93 5,231,561 07/836,500 07/27/93 5,231,562 07/636,764 07/27/93 5,231,570 07/625,477 07/27/93 5,231,571 07/567,306 07/27/93 5,231,581 07/779,691 07/27/93 5,231,584 07/759,610 07/27/93 5,231,600 07/511,125 07/27/93 5,231,610 07/919,743 07/27/93 5,231,612 07/937,372 07/27/93 5,231,615 07/686,688 07/27/93 5,231,625 07/757,799 07/27/93 5,231,626 07/859,249 07/27/93 5,231,640 07/557,060 07/27/93 5,231,657 07/628,895 07/27/93 5,231,659 07/896,789 07/27/93 5,231,661 07/738,514 07/27/93 5,231,663 07/670,715 07/27/93 5,231,666 07/870,978 07/27/93 5,231,669 07/375,303 07/27/93 5,231,671 07/719,195 07/27/93 5,231,673 07/677,709 07/27/93 5,231,678 07/831,095 07/27/93 5,231,689 07/852,681 07/27/93 5,231,695 07/574,052 07/27/93 PATENTS WHICH EXPIRED ON July 29, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,651,144 08/649,330 07/29/97 5,651,145 08/526,451 07/29/97 5,651,152 08/633,088 07/29/97 5,651,153 08/547,137 07/29/97 5,651,157 08/714,273 07/29/97 5,651,176 08/496,981 07/29/97 5,651,177 08/578,822 07/29/97 5,651,188 08/700,918 07/29/97 5,651,189 08/387,288 07/29/97 5,651,196 08/585,015 07/29/97 5,651,199 08/494,875 07/29/97 5,651,200 08/568,145 07/29/97 5,651,201 08/519,927 07/29/97 5,651,202 08/530,508 07/29/97 5,651,210 08/504,651 07/29/97 5,651,212 08/676,088 07/29/97 5,651,223 08/522,029 07/29/97 5,651,224 08/416,282 07/29/97 5,651,228 08/600,369 07/29/97 5,651,229 08/405,707 07/29/97 5,651,240 08/495,979 07/29/97 5,651,248 08/519,980 07/29/97 5,651,250 08/449,896 07/29/97 5,651,252 08/601,446 07/29/97 5,651,255 08/595,915 07/29/97 5,651,261 08/454,283 07/29/97 5,651,265 08/499,578 07/29/97 5,651,272 08/491,673 07/29/97 5,651,273 08/729,097 07/29/97 5,651,275 08/614,498 07/29/97 5,651,279 08/514,316 07/29/97 5,651,280 08/701,908 07/29/97 5,651,284 08/493,660 07/29/97 5,651,286 08/685,251 07/29/97 5,651,287 08/620,543 07/29/97 5,651,304 08/530,213 07/29/97 5,651,312 08/626,042 07/29/97 5,651,325 08/588,350 07/29/97 5,651,326 08/602,235 07/29/97 5,651,328 08/600,364 07/29/97 5,651,331 08/693,990 07/29/97 5,651,332 08/522,060 07/29/97 5,651,333 08/485,643 07/29/97 5,651,340 08/501,058 07/29/97 5,651,372 08/496,039 07/29/97 5,651,374 08/705,329 07/29/97 5,651,375 08/735,512 07/29/97 5,651,381 08/560,802 07/29/97 5,651,386 08/615,811 07/29/97 5,651,389 08/707,825 07/29/97 5,651,390 08/411,817 07/29/97 5,651,392 08/602,823 07/29/97 5,651,393 08/581,907 07/29/97 5,651,408 08/612,782 07/29/97 5,651,409 08/612,781 07/29/97 5,651,416 08/659,613 07/29/97 5,651,417 08/345,617 07/29/97 5,651,419 08/137,110 07/29/97 5,651,424 08/495,991 07/29/97 5,651,427 08/550,971 07/29/97 5,651,429 08/420,925 07/29/97 5,651,440 08/310,413 07/29/97 5,651,451 08/613,801 07/29/97 5,651,456 08/349,895 07/29/97 5,651,459 08/428,199 07/29/97 5,651,468 08/645,129 07/29/97 5,651,470 08/697,488 07/29/97 5,651,474 08/590,965 07/29/97 5,651,479 08/438,983 07/29/97 5,651,483 08/653,002 07/29/97 5,651,485 08/672,906 07/29/97 5,651,487 08/604,853 07/29/97 5,651,493 08/427,509 07/29/97 5,651,496 08/521,833 07/29/97 5,651,499 08/650,174 07/29/97 5,651,500 08/579,939 07/29/97 5,651,502 08/404,157 07/29/97 5,651,508 08/528,231 07/29/97 5,651,519 08/403,636 07/29/97 5,651,526 08/433,847 07/29/97 5,651,529 08/640,578 07/29/97 5,651,531 08/585,722 07/29/97 5,651,547 08/662,717 07/29/97 5,651,552 08/629,406 07/29/97 5,651,557 08/589,579 07/29/97 5,651,559 08/489,644 07/29/97 5,651,563 08/498,954 07/29/97 5,651,567 08/580,432 07/29/97 5,651,571 08/657,154 07/29/97 5,651,576 08/719,592 07/29/97 5,651,582 08/574,315 07/29/97 5,651,587 08/488,907 07/29/97 5,651,589 08/622,787 07/29/97 5,651,604 08/648,341 07/29/97 5,651,607 08/597,511 07/29/97 5,651,614 08/376,316 07/29/97 5,651,615 08/420,401 07/29/97 5,651,626 08/676,733 07/29/97 5,651,636 08/580,976 07/29/97 5,651,637 08/418,033 07/29/97 5,651,647 08/542,511 07/29/97 5,651,658 08/321,790 07/29/97 5,651,665 08/746,528 07/29/97 5,651,666 08/576,159 07/29/97 5,651,671 08/439,868 07/29/97 5,651,675 08/455,428 07/29/97 5,651,682 08/550,820 07/29/97 5,651,684 08/455,330 07/29/97 5,651,689 08/446,955 07/29/97 5,651,691 08/438,214 07/29/97 5,651,711 08/621,664 07/29/97 5,651,712 08/555,743 07/29/97 5,651,714 08/453,893 07/29/97 5,651,715 08/647,587 07/29/97 5,651,723 08/227,156 07/29/97 5,651,727 08/375,771 07/29/97 5,651,732 08/626,570 07/29/97 5,651,740 08/703,336 07/29/97 5,651,749 08/596,873 07/29/97 5,651,754 08/688,379 07/29/97 5,651,755 08/688,392 07/29/97 5,651,758 08/695,740 07/29/97 5,651,762 08/405,529 07/29/97 5,651,764 08/610,984 07/29/97 5,651,769 08/543,612 07/29/97 5,651,777 08/697,489 07/29/97 5,651,778 08/445,306 07/29/97 5,651,779 08/185,212 07/29/97 5,651,783 08/575,829 07/29/97 5,651,795 08/715,789 07/29/97 5,651,796 08/510,339 07/29/97 5,651,828 08/315,332 07/29/97 5,651,831 08/232,112 07/29/97 5,651,833 08/677,480 07/29/97 5,651,839 08/548,939 07/29/97 5,651,847 08/195,859 07/29/97 5,651,858 08/690,192 07/29/97 5,651,868 08/445,969 07/29/97 5,651,878 08/627,526 07/29/97 5,651,879 08/605,419 07/29/97 5,651,880 08/710,362 07/29/97 5,651,905 08/735,190 07/29/97 5,651,908 08/379,498 07/29/97 5,651,910 08/556,801 07/29/97 5,651,913 08/374,307 07/29/97 5,651,921 08/282,158 07/29/97 5,651,924 08/370,560 07/29/97 5,651,932 08/422,250 07/29/97 5,651,935 08/531,075 07/29/97 5,651,939 08/661,766 07/29/97 5,651,962 08/531,414 07/29/97 5,651,970 08/483,745 07/29/97 5,651,975 08/601,842 07/29/97 5,651,987 08/113,485 07/29/97 5,652,001 08/066,779 07/29/97 5,652,013 08/323,818 07/29/97 5,652,016 08/626,380 07/29/97 5,652,032 08/602,121 07/29/97 5,652,039 08/424,261 07/29/97 5,652,040 08/503,686 07/29/97 5,652,047 08/650,729 07/29/97 5,652,059 08/378,061 07/29/97 5,652,066 08/467,766 07/29/97 5,652,073 08/626,992 07/29/97 5,652,077 08/573,229 07/29/97 5,652,101 08/355,224 07/29/97 5,652,106 08/548,199 07/29/97 5,652,107 08/683,045 07/29/97 5,652,143 08/477,656 07/29/97 5,652,144 07/973,431 07/29/97 5,652,148 08/049,862 07/29/97 5,652,149 08/398,846 07/29/97 5,652,188 08/287,224 07/29/97 5,652,198 08/611,580 07/29/97 5,652,204 08/713,437 07/29/97 5,652,207 08/695,564 07/29/97 5,652,220 08/416,518 07/29/97 5,652,227 08/380,581 07/29/97 5,652,248 08/327,589 07/29/97 5,652,249 08/591,610 07/29/97 5,652,254 08/705,097 07/29/97 5,652,255 08/235,315 07/29/97 5,652,257 08/526,244 07/29/97 5,652,265 08/412,545 07/29/97 5,652,278 08/239,630 07/29/97 5,652,292 08/464,776 07/29/97 5,652,294 08/576,525 07/29/97 5,652,302 07/649,272 07/29/97 5,652,307 08/730,808 07/29/97 5,652,318 08/655,094 07/29/97 5,652,327 08/386,886 07/29/97 5,652,330 08/515,806 07/29/97 5,652,336 08/620,936 07/29/97 5,652,344 08/719,653 07/29/97 5,652,350 08/484,138 07/29/97 5,652,353 08/397,470 07/29/97 5,652,358 08/335,354 07/29/97 5,652,362 08/643,819 07/29/97 5,652,395 08/654,908 07/29/97 5,652,411 08/423,808 07/29/97 5,652,451 08/522,935 07/29/97 5,652,474 08/381,842 07/29/97 5,652,488 08/513,793 07/29/97 5,652,490 08/608,987 07/29/97 5,652,492 08/284,676 07/29/97 5,652,497 08/372,817 07/29/97 5,652,517 08/650,083 07/29/97 5,652,520 08/554,717 07/29/97 5,652,526 08/617,470 07/29/97 5,652,548 08/487,530 07/29/97 5,652,564 08/507,145 07/29/97 5,652,565 08/571,522 07/29/97 5,652,568 08/570,037 07/29/97 5,652,569 08/300,450 07/29/97 5,652,577 08/330,357 07/29/97 5,652,581 08/691,903 07/29/97 5,652,587 08/552,944 07/29/97 5,652,609 08/074,174 07/29/97 5,652,637 08/614,004 07/29/97 5,652,639 08/608,489 07/29/97 5,652,654 08/689,391 07/29/97 5,652,683 08/278,691 07/29/97 5,652,684 08/683,561 07/29/97 5,652,685 08/574,812 07/29/97 5,652,702 08/493,808 07/29/97 5,652,734 08/593,701 07/29/97 5,652,736 08/664,676 07/29/97 5,652,741 08/275,439 07/29/97 5,652,759 08/490,495 07/29/97 5,652,767 08/406,321 07/29/97 5,652,773 08/594,596 07/29/97 5,652,774 08/676,747 07/29/97 5,652,775 08/630,649 07/29/97 5,652,811 08/611,956 07/29/97 5,652,822 08/576,169 07/29/97 5,652,829 08/281,191 07/29/97 5,652,832 08/555,925 07/29/97 5,652,839 08/219,557 07/29/97 5,652,863 08/486,774 07/29/97 5,652,871 08/425,751 07/29/97 5,652,875 08/449,563 07/29/97 5,652,898 08/113,679 07/29/97 5,652,944 08/458,829 07/29/97