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 July 18, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 4,847,913 07/110,306 07/18/89 4,847,936 07/140,762 07/18/89 4,847,940 07/200,248 07/18/89 4,847,941 07/005,258 07/18/89 4,847,948 07/162,406 07/18/89 4,847,955 07/167,530 07/18/89 4,847,968 07/259,441 07/18/89 4,847,974 07/273,414 07/18/89 4,847,976 07/084,861 07/18/89 4,847,977 07/290,760 07/18/89 4,847,978 07/114,218 07/18/89 4,847,981 07/184,386 07/18/89 4,847,987 07/237,378 07/18/89 4,847,993 07/246,751 07/18/89 4,847,995 07/128,758 07/18/89 4,848,008 07/062,080 07/18/89 4,848,014 07/150,087 07/18/89 4,848,031 07/251,178 07/18/89 4,848,043 07/243,963 07/18/89 4,848,044 07/219,500 07/18/89 4,848,047 07/119,390 07/18/89 4,848,049 07/239,427 07/18/89 4,848,050 07/170,156 07/18/89 4,848,053 07/032,188 07/18/89 4,848,055 07/192,061 07/18/89 4,848,073 07/211,145 07/18/89 4,848,076 07/148,686 07/18/89 4,848,077 07/177,628 07/18/89 4,848,111 07/116,234 07/18/89 4,848,119 07/035,647 07/18/89 4,848,130 07/212,203 07/18/89 4,848,133 07/132,736 07/18/89 4,848,135 07/048,871 07/18/89 4,848,136 07/142,859 07/18/89 4,848,139 07/148,164 07/18/89 4,848,142 07/256,754 07/18/89 4,848,147 07/072,104 07/18/89 4,848,148 07/211,199 07/18/89 4,848,154 07/215,252 07/18/89 4,848,157 07/122,682 07/18/89 4,848,184 07/187,571 07/18/89 4,848,186 07/137,480 07/18/89 4,848,200 07/109,352 07/18/89 4,848,204 07/209,721 07/18/89 4,848,205 07/132,787 07/18/89 4,848,211 07/130,286 07/18/89 4,848,215 07/170,170 07/18/89 4,848,216 07/146,707 07/18/89 4,848,217 07/164,387 07/18/89 4,848,224 07/180,733 07/18/89 4,848,236 07/124,620 07/18/89 4,848,246 07/248,003 07/18/89 4,848,257 07/127,539 07/18/89 4,848,268 07/062,960 07/18/89 4,848,280 07/141,764 07/18/89 4,848,291 07/198,693 07/18/89 4,848,292 07/186,617 07/18/89 4,848,300 07/151,999 07/18/89 4,848,302 07/187,322 07/18/89 4,848,308 07/142,781 07/18/89 4,848,311 07/166,949 07/18/89 4,848,320 07/096,124 07/18/89 4,848,321 07/272,438 07/18/89 4,848,323 07/154,976 07/18/89 4,848,325 07/125,890 07/18/89 4,848,328 07/189,427 07/18/89 4,848,332 07/163,145 07/18/89 4,848,333 07/127,362 07/18/89 4,848,336 07/227,000 07/18/89 4,848,342 06/905,776 07/18/89 4,848,350 07/262,083 07/18/89 4,848,365 07/019,436 07/18/89 4,848,380 07/182,178 07/18/89 4,848,392 07/199,070 07/18/89 4,848,402 06/946,710 07/18/89 4,848,403 07/166,466 07/18/89 4,848,411 07/113,776 07/18/89 4,848,418 07/125,339 07/18/89 4,848,420 07/111,335 07/18/89 4,848,432 07/229,305 07/18/89 4,848,433 07/180,888 07/18/89 4,848,442 07/106,024 07/18/89 4,848,444 07/229,450 07/18/89 4,848,449 07/193,244 07/18/89 4,848,452 07/174,301 07/18/89 4,848,458 07/252,129 07/18/89 4,848,466 07/149,716 07/18/89 4,848,470 07/274,354 07/18/89 4,848,474 07/212,659 07/18/89 4,848,486 07/064,983 07/18/89 4,848,493 07/260,151 07/18/89 4,848,501 07/046,676 07/18/89 4,848,506 07/067,922 07/18/89 4,848,507 07/148,781 07/18/89 4,848,519 06/686,177 07/18/89 4,848,529 07/095,385 07/18/89 4,848,534 07/124,794 07/18/89 4,848,548 07/097,983 07/18/89 4,848,554 07/233,646 07/18/89 4,848,561 07/083,335 07/18/89 4,848,562 07/278,364 07/18/89 4,848,575 07/264,252 07/18/89 4,848,593 06/943,267 07/18/89 4,848,596 06/918,714 07/18/89 4,848,597 07/148,862 07/18/89 4,848,598 07/161,551 07/18/89 4,848,609 07/096,049 07/18/89 4,848,614 07/120,617 07/18/89 4,848,622 07/280,544 07/18/89 4,848,634 07/154,333 07/18/89 4,848,639 07/250,638 07/18/89 4,848,645 07/147,059 07/18/89 4,848,656 07/198,352 07/18/89 4,848,657 07/125,816 07/18/89 4,848,658 07/058,947 07/18/89 4,848,666 07/245,313 07/18/89 4,848,674 07/208,663 07/18/89 4,848,688 07/151,838 07/18/89 4,848,690 07/177,073 07/18/89 4,848,693 07/193,323 07/18/89 4,848,694 07/219,256 07/18/89 4,848,695 07/196,825 07/18/89 4,848,718 07/040,840 07/18/89 4,848,725 07/140,546 07/18/89 4,848,729 07/151,293 07/18/89 4,848,733 07/115,861 07/18/89 4,848,735 07/098,966 07/18/89 4,848,737 07/104,282 07/18/89 4,848,743 07/129,298 07/18/89 4,848,746 07/152,010 07/18/89 4,848,747 07/113,441 07/18/89 4,848,748 07/232,178 07/18/89 4,848,755 07/263,362 07/18/89 4,848,756 07/281,335 07/18/89 4,848,775 07/203,014 07/18/89 4,848,778 07/279,603 07/18/89 4,848,782 07/149,644 07/18/89 4,848,796 07/208,535 07/18/89 4,848,801 07/195,376 07/18/89 4,848,811 07/150,624 07/18/89 4,848,823 07/106,816 07/18/89 4,848,826 07/065,751 07/18/89 4,848,829 07/112,456 07/18/89 4,848,832 07/104,222 07/18/89 4,848,835 07/043,224 07/18/89 4,848,838 07/285,185 07/18/89 4,848,858 07/153,899 07/18/89 4,848,860 07/189,131 07/18/89 4,848,870 07/178,115 07/18/89 4,848,872 07/217,998 07/18/89 4,848,873 07/198,519 07/18/89 4,848,874 07/179,198 07/18/89 4,848,888 07/116,849 07/18/89 4,848,893 07/100,371 07/18/89 4,848,898 07/068,090 07/18/89 4,848,901 07/106,747 07/18/89 4,848,905 07/197,615 07/18/89 4,848,908 06/544,506 07/18/89 4,848,913 07/190,333 07/18/89 4,848,915 07/186,010 07/18/89 4,848,918 07/228,941 07/18/89 4,848,920 07/161,442 07/18/89 4,848,921 06/909,531 07/18/89 4,848,924 07/087,052 07/18/89 4,848,931 07/168,082 07/18/89 4,848,938 07/107,279 07/18/89 4,848,939 06/632,064 07/18/89 4,848,942 07/157,920 07/18/89 4,848,946 07/151,529 07/18/89 4,848,963 07/157,848 07/18/89 4,848,972 07/167,758 07/18/89 4,848,973 07/210,635 07/18/89 4,848,983 07/105,351 07/18/89 4,848,984 06/652,410 07/18/89 4,848,986 07/181,306 07/18/89 4,849,036 07/116,806 07/18/89 4,849,041 07/159,770 07/18/89 4,849,044 07/076,594 07/18/89 4,849,046 07/197,576 07/18/89 4,849,048 07/060,167 07/18/89 4,849,052 06/767,257 07/18/89 4,849,053 07/283,682 07/18/89 4,849,075 06/826,568 07/18/89 4,849,087 07/155,153 07/18/89 4,849,097 07/126,342 07/18/89 4,849,108 07/118,310 07/18/89 4,849,110 07/119,479 07/18/89 4,849,114 07/163,978 07/18/89 4,849,115 07/099,061 07/18/89 4,849,117 07/064,171 07/18/89 4,849,122 07/097,012 07/18/89 4,849,128 06/604,449 07/18/89 4,849,137 07/082,333 07/18/89 4,849,139 07/173,448 07/18/89 4,849,142 06/816,075 07/18/89 4,849,143 07/120,356 07/18/89 4,849,153 07/166,047 07/18/89 4,849,155 07/019,735 07/18/89 4,849,160 07/127,131 07/18/89 4,849,163 07/093,883 07/18/89 4,849,165 07/191,535 07/18/89 4,849,167 07/169,884 07/18/89 4,849,168 07/120,070 07/18/89 4,849,169 07/193,705 07/18/89 4,849,178 06/396,175 07/18/89 4,849,182 07/193,812 07/18/89 4,849,196 07/137,830 07/18/89 4,849,198 07/203,160 07/18/89 4,849,222 07/029,825 07/18/89 4,849,227 07/021,625 07/18/89 4,849,235 06/927,760 07/18/89 4,849,238 07/176,753 07/18/89 4,849,253 07/055,573 07/18/89 4,849,260 07/068,910 07/18/89 4,849,261 07/073,516 07/18/89 4,849,266 07/116,412 07/18/89 4,849,273 07/042,290 07/18/89 4,849,277 07/077,182 07/18/89 4,849,282 07/061,363 07/18/89 4,849,300 06/796,208 07/18/89 4,849,308 07/169,531 07/18/89 4,849,309 07/227,021 07/18/89 4,849,315 07/075,163 07/18/89 4,849,335 06/614,446 07/18/89 4,849,343 07/027,599 07/18/89 4,849,345 06/851,207 07/18/89 4,849,346 07/013,671 07/18/89 4,849,352 06/659,629 07/18/89 4,849,361 06/876,462 07/18/89 4,849,366 07/144,272 07/18/89 4,849,368 07/146,664 07/18/89 4,849,372 07/155,982 07/18/89 4,849,381 07/201,931 07/18/89 4,849,384 07/212,168 07/18/89 4,849,390 07/038,949 07/18/89 4,849,394 07/079,082 07/18/89 4,849,401 07/178,272 07/18/89 4,849,421 07/162,935 07/18/89 4,849,424 07/082,056 07/18/89 4,849,433 07/012,515 07/18/89 4,849,441 07/136,855 07/18/89 4,849,447 07/108,539 07/18/89 4,849,456 07/302,802 07/18/89 4,849,461 07/027,777 07/18/89 4,849,465 07/214,453 07/18/89 4,849,477 07/184,644 07/18/89 4,849,488 07/095,386 07/18/89 4,849,507 06/835,051 07/18/89 4,849,519 07/118,364 07/18/89 4,849,529 07/004,401 07/18/89 4,849,547 07/108,095 07/18/89 4,849,548 07/170,486 07/18/89 4,849,551 07/172,385 07/18/89 4,849,557 07/193,061 07/18/89 4,849,563 07/142,354 07/18/89 4,849,583 07/219,934 07/18/89 4,849,598 07/175,403 07/18/89 4,849,602 07/231,368 07/18/89 4,849,608 07/159,404 07/18/89 4,849,613 06/733,589 07/18/89 4,849,620 07/033,688 07/18/89 4,849,621 07/170,135 07/18/89 4,849,626 07/120,297 07/18/89 4,849,627 07/197,488 07/18/89 4,849,643 07/179,496 07/18/89 4,849,652 07/123,033 07/18/89 4,849,664 06/895,122 07/18/89 4,849,675 07/079,649 07/18/89 4,849,680 07/110,948 07/18/89 4,849,682 07/115,155 07/18/89 4,849,710 07/186,956 07/18/89 4,849,716 07/231,922 07/18/89 4,849,718 07/257,100 07/18/89 4,849,724 07/281,556 07/18/89 4,849,733 07/264,905 07/18/89 4,849,743 07/230,302 07/18/89 4,849,746 06/848,599 07/18/89 4,849,752 07/145,682 07/18/89 4,849,754 07/151,626 07/18/89 4,849,759 07/136,031 07/18/89 4,849,760 07/123,466 07/18/89 4,849,763 07/041,811 07/18/89 4,849,765 07/189,092 07/18/89 4,849,778 07/100,095 07/18/89 4,849,803 06/602,573 07/18/89 4,849,811 07/215,733 07/18/89 4,849,817 07/152,423 07/18/89 4,849,818 07/240,433 07/18/89 4,849,823 07/156,989 07/18/89 4,849,840 07/031,270 07/18/89 4,849,843 07/289,410 07/18/89 4,849,848 07/187,139 07/18/89 4,849,851 07/265,153 07/18/89 4,849,852 07/251,605 07/18/89 4,849,864 07/102,401 07/18/89 4,849,867 07/207,717 07/18/89 4,849,872 07/147,743 07/18/89 4,849,880 06/798,931 07/18/89 4,849,881 06/664,293 07/18/89 4,849,883 07/115,019 07/18/89 4,849,891 07/035,854 07/18/89 4,849,909 06/795,773 07/18/89 4,849,912 07/081,144 07/18/89 4,849,914 07/099,800 07/18/89 4,849,932 07/165,470 07/18/89 4,849,935 07/113,204 07/18/89 4,849,937 07/169,066 07/18/89 4,849,972 07/080,628 07/18/89 4,849,975 07/119,011 07/18/89 4,849,981 07/104,614 07/18/89 4,849,982 07/098,198 07/18/89 4,849,984 06/825,152 07/18/89 4,849,988 07/158,425 07/18/89 4,850,006 07/120,826 07/18/89 4,850,011 07/143,903 07/18/89 4,850,014 07/024,277 07/18/89 4,850,024 06/720,013 07/18/89 4,850,030 07/113,355 07/18/89 4,850,038 06/886,075 07/18/89 4,850,043 07/197,714 07/18/89 4,850,046 07/113,826 07/18/89 PATENTS WHICH EXPIRED ON July 13, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,226,183 07/794,276 07/13/93 5,226,186 07/909,146 07/13/93 5,226,189 07/897,318 07/13/93 5,226,193 07/675,960 07/13/93 5,226,197 07/944,249 07/13/93 5,226,198 07/906,542 07/13/93 5,226,204 07/654,047 07/13/93 5,226,207 07/811,289 07/13/93 5,226,215 07/597,791 07/13/93 5,226,218 07/813,197 07/13/93 5,226,227 07/701,844 07/13/93 5,226,233 07/828,843 07/13/93 5,226,234 07/905,616 07/13/93 5,226,252 07/657,108 07/13/93 5,226,253 07/813,087 07/13/93 5,226,259 07/794,253 07/13/93 5,226,270 07/846,890 07/13/93 5,226,274 07/712,691 07/13/93 5,226,276 07/773,524 07/13/93 5,226,284 07/892,290 07/13/93 5,226,290 07/698,601 07/13/93 5,226,294 07/874,948 07/13/93 5,226,304 07/815,939 07/13/93 5,226,312 07/808,319 07/13/93 5,226,317 07/687,652 07/13/93 5,226,320 07/840,746 07/13/93 5,226,323 07/740,050 07/13/93 5,226,330 07/785,782 07/13/93 5,226,333 07/707,541 07/13/93 5,226,335 07/682,954 07/13/93 5,226,364 07/886,548 07/13/93 5,226,366 07/834,882 07/13/93 5,226,395 07/820,352 07/13/93 5,226,397 07/861,902 07/13/93 5,226,400 07/958,006 07/13/93 5,226,403 07/700,603 07/13/93 5,226,406 07/871,134 07/13/93 5,226,407 07/820,267 07/13/93 5,226,408 07/868,004 07/13/93 5,226,411 07/874,679 07/13/93 5,226,416 07/623,732 07/13/93 5,226,426 07/628,899 07/13/93 5,226,434 07/770,904 07/13/93 5,226,438 07/765,540 07/13/93 5,226,447 07/957,127 07/13/93 5,226,451 07/962,135 07/13/93 5,226,457 07/848,800 07/13/93 5,226,460 07/749,500 07/13/93 5,226,461 07/794,083 07/13/93 5,226,464 07/925,246 07/13/93 5,226,472 07/792,705 07/13/93 5,226,477 07/741,119 07/13/93 5,226,490 07/966,498 07/13/93 5,226,492 07/863,015 07/13/93 5,226,500 07/973,529 07/13/93 5,226,507 07/963,775 07/13/93 5,226,512 07/980,435 07/13/93 5,226,516 07/919,913 07/13/93 5,226,521 07/891,112 07/13/93 5,226,526 07/914,872 07/13/93 5,226,530 07/855,900 07/13/93 5,226,531 07/873,800 07/13/93 5,226,549 07/831,418 07/13/93 5,226,567 07/770,533 07/13/93 5,226,577 07/631,338 07/13/93 5,226,588 07/863,850 07/13/93 5,226,590 07/821,092 07/13/93 5,226,594 07/860,051 07/13/93 5,226,598 07/881,342 07/13/93 5,226,606 07/811,116 07/13/93 5,226,609 07/715,684 07/13/93 5,226,621 07/930,145 07/13/93 5,226,623 07/897,759 07/13/93 5,226,633 07/193,703 07/13/93 5,226,634 07/576,331 07/13/93 5,226,635 07/831,839 07/13/93 5,226,636 07/897,182 07/13/93 5,226,640 07/708,436 07/13/93 5,226,645 07/849,705 07/13/93 5,226,650 07/577,362 07/13/93 5,226,651 07/842,666 07/13/93 5,226,652 07/899,583 07/13/93 5,226,653 07/906,523 07/13/93 5,226,655 07/975,715 07/13/93 5,226,658 07/847,659 07/13/93 5,226,660 07/699,959 07/13/93 5,226,661 07/988,724 07/13/93 5,226,665 07/871,509 07/13/93 5,226,669 07/959,581 07/13/93 5,226,674 07/763,460 07/13/93 5,226,681 07/738,682 07/13/93 5,226,686 07/921,046 07/13/93 5,226,691 07/914,081 07/13/93 5,226,695 07/901,636 07/13/93 5,226,703 07/870,996 07/13/93 5,226,709 07/916,690 07/13/93 5,226,720 07/820,292 07/13/93 5,226,725 07/813,897 07/13/93 5,226,728 07/787,188 07/13/93 5,226,729 07/957,732 07/13/93 5,226,731 07/890,537 07/13/93 5,226,739 07/747,351 07/13/93 5,226,747 07/934,408 07/13/93 5,226,754 07/881,538 07/13/93 5,226,759 07/830,697 07/13/93 5,226,763 07/935,051 07/13/93 5,226,772 07/890,703 07/13/93 5,226,775 07/965,041 07/13/93 5,226,792 07/306,486 07/13/93 5,226,793 07/704,408 07/13/93 5,226,794 07/812,478 07/13/93 5,226,800 07/838,255 07/13/93 5,226,801 07/931,007 07/13/93 5,226,806 07/845,046 07/13/93 5,226,807 07/914,736 07/13/93 5,226,813 07/789,318 07/13/93 5,226,815 07/987,371 07/13/93 5,226,829 07/886,524 07/13/93 5,226,838 07/972,745 07/13/93 5,226,850 07/844,713 07/13/93 5,226,854 07/841,011 07/13/93 5,226,859 07/660,292 07/13/93 5,226,864 07/787,398 07/13/93 5,226,872 07/865,243 07/13/93 5,226,875 07/801,271 07/13/93 5,226,884 07/945,912 07/13/93 5,226,912 07/570,344 07/13/93 5,226,922 07/843,592 07/13/93 5,226,925 07/955,005 07/13/93 5,226,928 07/632,984 07/13/93 5,226,929 07/883,170 07/13/93 5,226,931 07/782,325 07/13/93 5,226,937 07/794,852 07/13/93 5,226,944 07/959,850 07/13/93 5,226,947 07/837,038 07/13/93 5,226,960 07/880,081 07/13/93 5,226,962 07/789,301 07/13/93 5,226,970 07/694,531 07/13/93 5,226,985 07/823,737 07/13/93 5,226,988 07/707,884 07/13/93 5,226,994 07/847,582 07/13/93 5,227,000 07/682,618 07/13/93 5,227,009 07/849,621 07/13/93 5,227,010 07/680,055 07/13/93 5,227,020 07/761,985 07/13/93 5,227,022 07/885,688 07/13/93 5,227,029 08/011,233 07/13/93 5,227,032 07/764,581 07/13/93 5,227,053 07/620,034 07/13/93 5,227,056 07/782,381 07/13/93 5,227,057 07/896,626 07/13/93 5,227,060 07/909,923 07/13/93 5,227,061 07/819,803 07/13/93 5,227,062 07/796,667 07/13/93 5,227,068 07/880,224 07/13/93 5,227,075 07/768,979 07/13/93 5,227,076 07/837,914 07/13/93 5,227,077 07/841,828 07/13/93 5,227,081 07/840,425 07/13/93 5,227,083 07/842,688 07/13/93 5,227,084 07/869,587 07/13/93 5,227,087 07/297,366 07/13/93 5,227,090 07/635,134 07/13/93 5,227,096 07/936,859 07/13/93 5,227,097 07/643,506 07/13/93 5,227,098 07/688,138 07/13/93 5,227,100 07/805,492 07/13/93 5,227,120 07/757,279 07/13/93 5,227,124 07/561,684 07/13/93 5,227,127 07/808,236 07/13/93 5,227,134 07/737,432 07/13/93 5,227,141 07/878,531 07/13/93 5,227,143 07/766,035 07/13/93 5,227,153 07/769,357 07/13/93 5,227,157 07/388,321 07/13/93 5,227,173 07/737,342 07/13/93 5,227,183 07/735,954 07/13/93 5,227,189 07/930,105 07/13/93 5,227,190 07/777,186 07/13/93 5,227,192 07/986,070 07/13/93 5,227,194 07/735,925 07/13/93 5,227,199 07/822,012 07/13/93 5,227,200 07/848,606 07/13/93 5,227,203 07/885,512 07/13/93 5,227,205 07/578,250 07/13/93 5,227,207 07/643,183 07/13/93 5,227,213 07/864,648 07/13/93 5,227,217 07/708,677 07/13/93 5,227,218 07/667,424 07/13/93 5,227,228 07/793,854 07/13/93 5,227,229 07/633,607 07/13/93 5,227,235 07/696,911 07/13/93 5,227,246 07/952,193 07/13/93 5,227,247 07/732,273 07/13/93 5,227,254 07/717,453 07/13/93 5,227,262 07/910,486 07/13/93 5,227,263 07/892,067 07/13/93 5,227,267 07/607,807 07/13/93 5,227,277 07/686,502 07/13/93 5,227,279 07/856,861 07/13/93 5,227,290 07/771,830 07/13/93 5,227,292 07/551,531 07/13/93 5,227,299 07/822,906 07/13/93 5,227,305 07/840,637 07/13/93 5,227,308 07/788,291 07/13/93 5,227,313 07/918,536 07/13/93 5,227,317 07/763,351 07/13/93 5,227,328 07/851,452 07/13/93 5,227,330 07/785,731 07/13/93 5,227,338 07/793,778 07/13/93 5,227,343 07/843,014 07/13/93 5,227,345 07/518,379 07/13/93 5,227,346 07/847,522 07/13/93 5,227,348 07/797,521 07/13/93 5,227,349 07/934,179 07/13/93 5,227,351 07/668,521 07/13/93 5,227,354 07/862,960 07/13/93 5,227,358 07/768,303 07/13/93 5,227,360 07/926,270 07/13/93 5,227,367 07/992,013 07/13/93 5,227,372 07/489,680 07/13/93 5,227,375 07/477,024 07/13/93 5,227,378 07/848,564 07/13/93 5,227,379 07/803,200 07/13/93 5,227,381 07/928,097 07/13/93 5,227,385 07/850,624 07/13/93 5,227,386 07/673,544 07/13/93 5,227,391 07/866,596 07/13/93 5,227,408 07/712,876 07/13/93 5,227,416 07/813,236 07/13/93 5,227,418 07/992,520 07/13/93 5,227,421 07/970,540 07/13/93 5,227,423 07/910,672 07/13/93 5,227,430 07/692,497 07/13/93 5,227,433 07/840,253 07/13/93 5,227,437 07/775,381 07/13/93 5,227,441 07/945,554 07/13/93 5,227,446 07/649,063 07/13/93 5,227,448 07/888,080 07/13/93 5,227,451 07/778,083 07/13/93 5,227,452 07/906,088 07/13/93 5,227,454 07/764,858 07/13/93 5,227,455 07/939,440 07/13/93 5,227,461 07/954,475 07/13/93 5,227,464 07/833,203 07/13/93 5,227,472 07/485,531 07/13/93 5,227,479 07/610,690 07/13/93 5,227,480 07/779,233 07/13/93 5,227,482 07/870,316 07/13/93 5,227,485 07/717,202 07/13/93 5,227,488 07/590,393 07/13/93 5,227,502 07/922,424 07/13/93 5,227,503 07/853,377 07/13/93 5,227,504 07/882,898 07/13/93 5,227,507 07/498,061 07/13/93 5,227,524 07/780,812 07/13/93 5,227,528 07/876,638 07/13/93 5,227,536 07/922,651 07/13/93 5,227,538 07/792,227 07/13/93 5,227,546 07/940,207 07/13/93 5,227,554 07/799,797 07/13/93 5,227,557 07/753,168 07/13/93 5,227,565 07/906,066 07/13/93 5,227,568 07/717,909 07/13/93 5,227,571 07/802,369 07/13/93 5,227,572 07/756,794 07/13/93 5,227,581 07/799,345 07/13/93 5,227,586 07/772,208 07/13/93 5,227,602 07/849,405 07/13/93 5,227,609 07/796,428 07/13/93 5,227,618 07/842,965 07/13/93 5,227,619 07/834,024 07/13/93 5,227,625 07/946,511 07/13/93 5,227,626 07/828,349 07/13/93 5,227,627 07/729,111 07/13/93 5,227,636 07/760,722 07/13/93 5,227,638 07/737,795 07/13/93 5,227,639 07/957,460 07/13/93 5,227,648 07/801,041 07/13/93 5,227,660 07/648,309 07/13/93 5,227,662 07/959,474 07/13/93 5,227,667 07/807,651 07/13/93 5,227,668 07/447,072 07/13/93 5,227,676 07/760,534 07/13/93 5,227,678 07/703,632 07/13/93 5,227,689 07/564,054 07/13/93 5,227,696 07/874,862 07/13/93 5,227,699 07/746,355 07/13/93 5,227,701 07/195,198 07/13/93 5,227,703 07/871,929 07/13/93 5,227,711 07/838,568 07/13/93 5,227,713 07/883,474 07/13/93 5,227,716 07/834,027 07/13/93 5,227,730 07/944,524 07/13/93 5,227,743 07/791,387 07/13/93 5,227,744 07/730,663 07/13/93 5,227,754 07/337,720 07/13/93 5,227,769 07/704,515 07/13/93 5,227,780 07/793,481 07/13/93 5,227,793 07/839,197 07/13/93 5,227,798 07/904,624 07/13/93 5,227,800 07/764,656 07/13/93 5,227,804 07/742,076 07/13/93 5,227,817 07/821,372 07/13/93 5,227,818 07/769,158 07/13/93 5,227,821 07/925,395 07/13/93 5,227,829 07/791,548 07/13/93 5,227,845 07/773,798 07/13/93 5,227,846 07/664,857 07/13/93 5,227,856 07/848,692 07/13/93 5,227,863 07/564,148 07/13/93 5,227,888 07/652,002 07/13/93 5,227,890 07/786,031 07/13/93 5,227,893 07/606,673 07/13/93 5,227,895 07/563,435 07/13/93 5,227,909 07/767,462 07/13/93 5,227,910 07/859,025 07/13/93 5,227,920 07/967,132 07/13/93 5,227,926 07/619,990 07/13/93 5,227,934 07/635,551 07/13/93 5,227,944 07/783,321 07/13/93 5,227,947 07/758,631 07/13/93 5,227,953 07/780,661 07/13/93 5,227,956 07/810,046 07/13/93 5,227,957 07/883,205 07/13/93 5,227,961 07/811,331 07/13/93 5,227,969 07/707,204 07/13/93 5,227,971 07/366,668 07/13/93 5,227,975 07/599,223 07/13/93 5,227,982 07/661,932 07/13/93 5,227,995 07/554,635 07/13/93 5,227,998 07/604,730 07/13/93 5,228,005 07/863,984 07/13/93 5,228,006 07/916,353 07/13/93 5,228,007 07/854,887 07/13/93 5,228,012 07/961,652 07/13/93 5,228,013 07/819,443 07/13/93 5,228,018 07/731,858 07/13/93 5,228,026 07/573,307 07/13/93 5,228,031 07/656,899 07/13/93 5,228,055 07/829,469 07/13/93 5,228,080 07/542,710 07/13/93 5,228,094 07/814,605 07/13/93 5,228,103 07/929,924 07/13/93 5,228,110 07/860,199 07/13/93 5,228,122 07/846,763 07/13/93 5,228,124 07/800,729 07/13/93 5,228,138 07/644,922 07/13/93 PATENTS WHICH EXPIRED ON July 15, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,647,069 08/425,378 07/15/97 5,647,070 08/571,464 07/15/97 5,647,073 08/592,973 07/15/97 5,647,085 08/525,770 07/15/97 5,647,086 08/735,008 07/15/97 5,647,089 08/489,079 07/15/97 5,647,096 08/547,287 07/15/97 5,647,098 08/455,527 07/15/97 5,647,130 08/582,370 07/15/97 5,647,134 08/496,890 07/15/97 5,647,140 08/606,094 07/15/97 5,647,146 08/504,576 07/15/97 5,647,147 08/251,616 07/15/97 5,647,149 08/201,779 07/15/97 5,647,153 08/581,066 07/15/97 5,647,155 08/562,073 07/15/97 5,647,156 08/488,605 07/15/97 5,647,163 08/426,270 07/15/97 5,647,165 07/903,601 07/15/97 5,647,171 08/578,415 07/15/97 5,647,174 08/298,227 07/15/97 5,647,177 08/578,279 07/15/97 5,647,205 08/530,209 07/15/97 5,647,207 08/492,144 07/15/97 5,647,209 08/490,697 07/15/97 5,647,210 08/500,965 07/15/97 5,647,215 08/554,684 07/15/97 5,647,218 08/645,715 07/15/97 5,647,223 08/564,128 07/15/97 5,647,225 08/490,224 07/15/97 5,647,230 08/587,100 07/15/97 5,647,231 08/534,002 07/15/97 5,647,233 08/533,258 07/15/97 5,647,244 08/464,818 07/15/97 5,647,257 08/319,507 07/15/97 5,647,260 08/536,801 07/15/97 5,647,261 08/378,195 07/15/97 5,647,262 08/396,338 07/15/97 5,647,264 08/434,857 07/15/97 5,647,265 08/084,057 07/15/97 5,647,266 08/568,565 07/15/97 5,647,269 08/325,982 07/15/97 5,647,272 08/533,723 07/15/97 5,647,278 08/645,876 07/15/97 5,647,280 08/442,418 07/15/97 5,647,281 08/524,063 07/15/97 5,647,284 08/438,223 07/15/97 5,647,285 08/585,156 07/15/97 5,647,289 08/643,183 07/15/97 5,647,292 08/397,492 07/15/97 5,647,296 08/632,433 07/15/97 5,647,298 08/493,363 07/15/97 5,647,300 08/551,190 07/15/97 5,647,301 08/507,271 07/15/97 5,647,320 08/489,820 07/15/97 5,647,321 08/606,281 07/15/97 5,647,323 08/646,908 07/15/97 5,647,326 08/529,764 07/15/97 5,647,336 08/606,917 07/15/97 5,647,339 08/535,467 07/15/97 5,647,341 08/205,930 07/15/97 5,647,342 08/230,607 07/15/97 5,647,343 08/428,173 07/15/97 5,647,344 08/662,316 07/15/97 5,647,358 08/618,577 07/15/97 5,647,375 08/388,849 07/15/97 5,647,386 08/317,382 07/15/97 5,647,388 08/556,270 07/15/97 5,647,389 08/382,574 07/15/97 5,647,403 08/416,068 07/15/97 5,647,406 08/387,837 07/15/97 5,647,407 08/471,824 07/15/97 5,647,410 08/211,001 07/15/97 5,647,413 08/600,906 07/15/97 5,647,431 08/448,307 07/15/97 5,647,433 08/352,808 07/15/97 5,647,449 08/592,217 07/15/97 5,647,452 08/529,079 07/15/97 5,647,453 08/373,558 07/15/97 5,647,454 08/492,208 07/15/97 5,647,456 08/637,946 07/15/97 5,647,457 08/524,550 07/15/97 5,647,458 08/573,443 07/15/97 5,647,473 08/386,959 07/15/97 5,647,482 08/351,272 07/15/97 5,647,484 08/658,854 07/15/97 5,647,488 08/685,807 07/15/97 5,647,490 08/330,561 07/15/97 5,647,493 08/471,407 07/15/97 5,647,495 07/750,930 07/15/97 5,647,498 08/571,315 07/15/97 5,647,499 08/618,169 07/15/97 5,647,515 08/536,539 07/15/97 5,647,517 08/505,401 07/15/97 5,647,518 08/263,484 07/15/97 5,647,524 08/384,896 07/15/97 5,647,529 08/402,294 07/15/97 5,647,544 08/610,628 07/15/97 5,647,551 08/544,974 07/15/97 5,647,554 08/343,789 07/15/97 5,647,557 08/443,481 07/15/97 5,647,568 08/345,640 07/15/97 5,647,593 08/669,535 07/15/97 5,647,595 08/625,195 07/15/97 5,647,599 08/560,571 07/15/97 5,647,601 08/383,875 07/15/97 5,647,605 08/431,430 07/15/97 5,647,606 07/749,974 07/15/97 5,647,616 08/309,241 07/15/97 5,647,621 08/599,374 07/15/97 5,647,624 08/686,117 07/15/97 5,647,625 08/532,362 07/15/97 5,647,630 08/499,816 07/15/97 5,647,632 08/543,637 07/15/97 5,647,633 08/657,525 07/15/97 5,647,637 08/633,158 07/15/97 5,647,639 08/710,837 07/15/97 5,647,643 08/397,413 07/15/97 5,647,646 08/520,824 07/15/97 5,647,649 08/522,079 07/15/97 5,647,654 08/640,837 07/15/97 5,647,680 08/749,866 07/15/97 5,647,681 08/666,597 07/15/97 5,647,682 08/400,618 07/15/97 5,647,686 08/657,863 07/15/97 5,647,687 08/553,983 07/15/97 5,647,697 08/507,191 07/15/97 5,647,702 08/380,077 07/15/97 5,647,704 08/260,544 07/15/97 5,647,709 08/573,249 07/15/97 5,647,710 08/443,592 07/15/97 5,647,716 08/571,738 07/15/97 5,647,721 08/478,517 07/15/97 5,647,722 08/616,758 07/15/97 5,647,731 08/431,030 07/15/97 5,647,741 08/353,988 07/15/97 5,647,743 08/454,280 07/15/97 5,647,749 08/308,802 07/15/97 5,647,750 08/565,350 07/15/97 5,647,755 08/602,954 07/15/97 5,647,759 08/645,813 07/15/97 5,647,771 08/433,216 07/15/97 5,647,783 08/675,041 07/15/97 5,647,786 08/536,092 07/15/97 5,647,795 08/321,137 07/15/97 5,647,803 08/471,415 07/15/97 5,647,805 08/635,605 07/15/97 5,647,809 08/545,153 07/15/97 5,647,820 08/217,901 07/15/97 5,647,822 08/521,054 07/15/97 5,647,825 08/594,896 07/15/97 5,647,828 08/683,235 07/15/97 5,647,830 08/557,449 07/15/97 5,647,831 08/337,812 07/15/97 5,647,832 08/383,887 07/15/97 5,647,845 08/382,127 07/15/97 5,647,850 08/353,809 07/15/97 5,647,858 08/469,688 07/15/97 5,647,866 08/645,868 07/15/97 5,647,875 08/348,638 07/15/97 5,647,889 08/267,570 07/15/97 5,647,902 08/546,493 07/15/97 5,647,904 08/447,520 07/15/97 5,647,907 08/326,708 07/15/97 5,647,915 08/663,512 07/15/97 5,647,923 08/501,926 07/15/97 5,647,937 08/352,376 07/15/97 5,647,938 08/522,537 07/15/97 5,647,944 08/214,106 07/15/97 5,647,947 08/435,216 07/15/97 5,647,950 08/401,257 07/15/97 5,647,954 08/290,891 07/15/97 5,647,957 08/485,052 07/15/97 5,647,961 08/406,384 07/15/97 5,647,971 08/294,706 07/15/97 5,647,973 08/561,924 07/15/97 5,647,979 08/666,061 07/15/97 5,648,002 08/424,331 07/15/97 5,648,004 08/634,851 07/15/97 5,648,005 08/618,055 07/15/97 5,648,007 08/425,801 07/15/97 5,648,018 08/555,938 07/15/97 5,648,027 08/332,063 07/15/97 5,648,028 08/413,445 07/15/97 5,648,033 08/438,165 07/15/97 5,648,037 08/492,724 07/15/97 5,648,043 08/491,256 07/15/97 5,648,047 08/623,805 07/15/97 5,648,065 08/604,464 07/15/97 5,648,084 08/294,400 07/15/97 5,648,123 08/307,797 07/15/97 5,648,127 08/465,589 07/15/97 5,648,152 08/450,919 07/15/97 5,648,158 08/448,959 07/15/97 5,648,167 08/479,559 07/15/97 5,648,172 08/244,201 07/15/97 5,648,199 08/561,598 07/15/97 5,648,206 08/412,305 07/15/97 5,648,216 08/410,977 07/15/97 5,648,227 08/302,828 07/15/97 5,648,230 08/474,722 07/15/97 5,648,233 08/290,937 07/15/97 5,648,234 08/342,786 07/15/97 5,648,243 08/310,356 07/15/97 5,648,253 07/942,157 07/15/97 5,648,297 08/646,795 07/15/97 5,648,306 08/481,364 07/15/97 5,648,311 08/307,861 07/15/97 5,648,318 08/387,108 07/15/97 5,648,329 08/608,222 07/15/97 5,648,344 07/922,328 07/15/97 5,648,345 08/474,998 07/15/97 5,648,353 08/446,235 07/15/97 5,648,354 08/395,777 07/15/97 5,648,369 07/793,725 07/15/97 5,648,378 08/472,192 07/15/97 5,648,382 08/639,419 07/15/97 5,648,384 08/317,919 07/15/97 5,648,389 08/549,374 07/15/97 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