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 16, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 4,829,600 07/120,160 05/16/89 4,829,606 06/906,070 05/16/89 4,829,619 07/155,129 05/16/89 4,829,623 07/046,327 05/16/89 4,829,636 07/240,842 05/16/89 4,829,639 07/108,731 05/16/89 4,829,653 07/190,925 05/16/89 4,829,666 06/632,894 05/16/89 4,829,671 07/120,698 05/16/89 4,829,672 07/105,117 05/16/89 4,829,674 07/099,088 05/16/89 4,829,675 07/087,120 05/16/89 4,829,679 07/129,161 05/16/89 4,829,680 07/024,710 05/16/89 4,829,705 07/213,280 05/16/89 4,829,711 07/248,052 05/16/89 4,829,713 07/177,728 05/16/89 4,829,729 07/035,542 05/16/89 4,829,735 07/095,538 05/16/89 4,829,737 07/030,864 05/16/89 4,829,740 07/110,174 05/16/89 4,829,743 07/194,425 05/16/89 4,829,744 07/194,415 05/16/89 4,829,747 07/045,518 05/16/89 4,829,752 07/109,895 05/16/89 4,829,757 07/126,209 05/16/89 4,829,761 07/058,959 05/16/89 4,829,770 07/091,097 05/16/89 4,829,771 07/172,469 05/16/89 4,829,774 06/931,111 05/16/89 4,829,778 07/140,830 05/16/89 4,829,782 07/238,094 05/16/89 4,829,787 06/865,515 05/16/89 4,829,796 07/046,531 05/16/89 4,829,798 07/106,043 05/16/89 4,829,800 07/220,984 05/16/89 4,829,804 07/107,610 05/16/89 4,829,809 07/079,398 05/16/89 4,829,819 07/076,005 05/16/89 4,829,822 07/098,050 05/16/89 4,829,832 07/078,206 05/16/89 4,829,849 07/087,482 05/16/89 4,829,853 07/127,357 05/16/89 4,829,874 07/213,086 05/16/89 4,829,889 07/199,786 05/16/89 4,829,890 07/169,957 05/16/89 4,829,891 07/020,116 05/16/89 4,829,899 07/154,711 05/16/89 4,829,908 07/155,310 05/16/89 4,829,911 07/229,237 05/16/89 4,829,918 07/107,176 05/16/89 4,829,919 07/238,829 05/16/89 4,829,924 06/887,536 05/16/89 4,829,926 07/122,841 05/16/89 4,829,928 07/110,930 05/16/89 4,829,932 07/231,635 05/16/89 4,829,942 07/128,419 05/16/89 4,829,943 07/199,662 05/16/89 4,829,951 07/218,423 05/16/89 4,829,970 07/107,628 05/16/89 4,829,975 07/143,618 05/16/89 4,829,980 07/052,737 05/16/89 4,829,984 06/936,321 05/16/89 4,829,986 07/072,764 05/16/89 4,829,990 07/066,231 05/16/89 4,829,997 07/161,444 05/16/89 4,830,020 07/010,791 05/16/89 4,830,028 07/012,922 05/16/89 4,830,034 06/901,319 05/16/89 4,830,053 07/112,497 05/16/89 4,830,054 07/199,421 05/16/89 4,830,060 07/123,589 05/16/89 4,830,061 07/152,551 05/16/89 4,830,065 07/020,576 05/16/89 4,830,073 07/233,806 05/16/89 4,830,082 06/937,639 05/16/89 4,830,089 07/190,585 05/16/89 4,830,095 07/170,144 05/16/89 4,830,098 07/167,151 05/16/89 4,830,100 06/933,890 05/16/89 4,830,119 07/228,329 05/16/89 4,830,125 07/218,147 05/16/89 4,830,127 06/944,512 05/16/89 4,830,135 07/109,826 05/16/89 4,830,148 07/077,570 05/16/89 4,830,164 07/088,812 05/16/89 4,830,168 07/188,447 05/16/89 4,830,170 07/125,742 05/16/89 4,830,178 07/058,575 05/16/89 4,830,181 07/213,714 05/16/89 4,830,190 07/035,926 05/16/89 4,830,192 07/076,735 05/16/89 4,830,197 07/189,067 05/16/89 4,830,213 07/214,015 05/16/89 4,830,221 06/878,008 05/16/89 4,830,226 07/106,711 05/16/89 4,830,228 07/182,013 05/16/89 4,830,239 07/158,624 05/16/89 4,830,240 06/889,794 05/16/89 4,830,247 07/037,711 05/16/89 4,830,252 06/889,953 05/16/89 4,830,258 07/153,641 05/16/89 4,830,264 07/106,094 05/16/89 4,830,265 07/193,615 05/16/89 4,830,281 07/138,286 05/16/89 4,830,285 07/103,187 05/16/89 4,830,287 07/106,830 05/16/89 4,830,291 07/177,528 05/16/89 4,830,293 07/149,725 05/16/89 4,830,299 07/117,873 05/16/89 4,830,303 07/145,424 05/16/89 4,830,306 07/089,176 05/16/89 4,830,307 07/060,603 05/16/89 4,830,316 07/176,022 05/16/89 4,830,317 07/040,264 05/16/89 4,830,318 07/210,974 05/16/89 4,830,321 07/060,312 05/16/89 4,830,341 07/139,921 05/16/89 4,830,381 06/896,786 05/16/89 4,830,390 07/081,451 05/16/89 4,830,397 07/111,940 05/16/89 4,830,415 07/055,017 05/16/89 4,830,421 07/112,055 05/16/89 4,830,424 07/116,335 05/16/89 4,830,428 07/195,893 05/16/89 4,830,437 07/172,836 05/16/89 4,830,438 07/233,083 05/16/89 4,830,444 07/140,200 05/16/89 4,830,456 07/120,521 05/16/89 4,830,457 07/127,394 05/16/89 4,830,458 07/020,346 05/16/89 4,830,464 07/010,339 05/16/89 4,830,479 07/197,935 05/16/89 4,830,486 06/590,350 05/16/89 4,830,492 07/123,158 05/16/89 4,830,505 07/194,227 05/16/89 4,830,511 07/177,709 05/16/89 4,830,535 07/091,274 05/16/89 4,830,545 07/098,588 05/16/89 4,830,555 07/142,840 05/16/89 4,830,562 07/056,063 05/16/89 4,830,568 07/141,264 05/16/89 4,830,577 07/179,722 05/16/89 4,830,579 07/170,834 05/16/89 4,830,581 07/065,812 05/16/89 4,830,583 07/163,801 05/16/89 4,830,590 07/176,178 05/16/89 4,830,592 07/182,371 05/16/89 4,830,599 07/067,887 05/16/89 4,830,602 07/101,188 05/16/89 4,830,606 07/153,313 05/16/89 4,830,611 07/064,205 05/16/89 4,830,618 07/112,829 05/16/89 4,830,621 07/127,731 05/16/89 4,830,623 07/154,197 05/16/89 4,830,627 07/160,940 05/16/89 4,830,629 07/160,289 05/16/89 4,830,636 07/244,581 05/16/89 4,830,638 07/060,641 05/16/89 4,830,644 07/144,617 05/16/89 4,830,646 07/120,087 05/16/89 4,830,654 07/150,641 05/16/89 4,830,669 07/030,851 05/16/89 4,830,673 06/915,091 05/16/89 4,830,681 07/173,090 05/16/89 4,830,698 07/183,784 05/16/89 4,830,706 06/915,462 05/16/89 4,830,708 07/126,994 05/16/89 4,830,719 07/209,906 05/16/89 4,830,723 07/209,588 05/16/89 4,830,727 07/194,592 05/16/89 4,830,746 07/191,151 05/16/89 4,830,762 07/092,037 05/16/89 4,830,770 07/137,269 05/16/89 4,830,772 07/205,143 05/16/89 4,830,774 07/132,727 05/16/89 4,830,781 07/099,111 05/16/89 4,830,785 07/043,839 05/16/89 4,830,799 07/206,998 05/16/89 4,830,806 07/066,012 05/16/89 4,830,808 06/800,038 05/16/89 4,830,813 07/041,987 05/16/89 4,830,820 07/039,713 05/16/89 4,830,824 07/027,973 05/16/89 4,830,834 07/046,103 05/16/89 4,830,836 06/713,862 05/16/89 4,830,837 07/080,834 05/16/89 4,830,839 07/132,801 05/16/89 4,830,842 07/152,912 05/16/89 4,830,848 07/027,573 05/16/89 4,830,854 07/134,993 05/16/89 4,830,864 07/190,414 05/16/89 4,830,868 07/085,454 05/16/89 4,830,869 07/140,365 05/16/89 4,830,871 07/098,228 05/16/89 4,830,878 07/071,669 05/16/89 4,830,882 07/119,341 05/16/89 4,830,883 07/209,757 05/16/89 4,830,885 07/059,295 05/16/89 4,830,888 06/906,404 05/16/89 4,830,899 07/067,939 05/16/89 4,830,941 07/143,377 05/16/89 4,830,945 07/197,130 05/16/89 4,830,951 07/093,239 05/16/89 4,830,961 06/871,098 05/16/89 4,830,963 06/713,937 05/16/89 4,830,965 07/059,240 05/16/89 4,830,969 06/298,064 05/16/89 4,830,992 07/261,883 05/16/89 4,830,999 07/016,737 05/16/89 4,831,000 07/144,821 05/16/89 4,831,015 07/084,761 05/16/89 4,831,016 06/925,772 05/16/89 4,831,020 06/777,169 05/16/89 4,831,023 06/879,489 05/16/89 4,831,026 07/023,602 05/16/89 4,831,035 07/076,495 05/16/89 4,831,049 06/751,797 05/16/89 4,831,064 07/218,414 05/16/89 4,831,081 07/102,910 05/16/89 4,831,089 07/147,297 05/16/89 4,831,090 07/108,457 05/16/89 4,831,091 07/226,729 05/16/89 4,831,103 06/937,875 05/16/89 4,831,109 07/057,354 05/16/89 4,831,110 07/128,497 05/16/89 4,831,125 06/750,182 05/16/89 4,831,126 06/705,914 05/16/89 4,831,130 07/071,846 05/16/89 4,831,146 07/170,505 05/16/89 4,831,155 06/929,516 05/16/89 4,831,156 07/103,487 05/16/89 4,831,158 07/117,904 05/16/89 4,831,177 07/047,528 05/16/89 4,831,182 07/041,428 05/16/89 4,831,188 07/004,912 05/16/89 4,831,189 06/831,267 05/16/89 4,831,213 07/108,880 05/16/89 4,831,216 07/156,358 05/16/89 4,831,225 07/136,285 05/16/89 4,831,246 07/181,480 05/16/89 4,831,249 07/109,800 05/16/89 4,831,252 07/149,787 05/16/89 4,831,253 07/082,349 05/16/89 4,831,255 07/160,016 05/16/89 4,831,260 07/106,496 05/16/89 4,831,262 06/369,654 05/16/89 4,831,289 07/049,057 05/16/89 4,831,298 07/128,717 05/16/89 4,831,299 07/157,403 05/16/89 4,831,300 07/128,716 05/16/89 4,831,341 07/146,382 05/16/89 4,831,345 07/209,145 05/16/89 4,831,349 07/209,107 05/16/89 4,831,352 07/158,734 05/16/89 4,831,354 07/109,105 05/16/89 4,831,360 07/116,786 05/16/89 4,831,369 07/041,008 05/16/89 4,831,372 06/912,952 05/16/89 4,831,383 07/166,472 05/16/89 4,831,410 07/146,660 05/16/89 4,831,416 07/158,445 05/16/89 4,831,424 07/062,388 05/16/89 4,831,430 07/248,285 05/16/89 4,831,440 07/172,603 05/16/89 4,831,453 07/179,544 05/16/89 4,831,471 07/063,623 05/16/89 4,831,487 07/073,377 05/16/89 4,831,489 07/185,438 05/16/89 4,831,493 07/138,751 05/16/89 4,831,504 06/929,884 05/16/89 4,831,508 07/111,409 05/16/89 4,831,540 07/023,554 05/16/89 4,831,542 07/064,585 05/16/89 4,831,546 07/050,314 05/16/89 4,831,550 06/844,904 05/16/89 4,831,558 06/900,543 05/16/89 4,831,561 07/064,201 05/16/89 4,831,568 07/042,839 05/16/89 4,831,572 07/067,957 05/16/89 4,831,590 07/004,584 05/16/89 4,831,607 07/116,925 05/16/89 4,831,608 07/119,213 05/16/89 4,831,612 07/180,493 05/16/89 4,831,618 07/116,182 05/16/89 4,831,620 07/207,891 05/16/89 4,831,621 07/130,398 05/16/89 4,831,647 07/057,478 05/16/89 4,831,648 07/038,393 05/16/89 4,831,650 07/194,101 05/16/89 4,831,651 07/035,996 05/16/89 4,831,656 07/094,457 05/16/89 4,831,659 07/208,851 05/16/89 PATENTS WHICH EXPIRED ON May 11, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,208,918 07/899,486 05/11/93 5,208,920 07/831,355 05/11/93 5,208,925 07/891,157 05/11/93 5,208,930 07/777,302 05/11/93 5,208,934 07/773,856 05/11/93 5,208,937 07/634,618 05/11/93 5,208,941 07/902,831 05/11/93 5,208,942 07/748,649 05/11/93 5,208,948 07/789,871 05/11/93 5,208,956 07/847,778 05/11/93 5,208,962 07/831,056 05/11/93 5,208,966 07/769,235 05/11/93 5,208,968 07/799,496 05/11/93 5,208,974 07/736,499 05/11/93 5,208,976 07/710,631 05/11/93 5,208,978 07/955,186 05/11/93 5,208,983 07/746,997 05/11/93 5,208,986 07/803,519 05/11/93 5,209,002 07/747,624 05/11/93 5,209,007 07/750,811 05/11/93 5,209,011 07/730,927 05/11/93 5,209,014 07/364,467 05/11/93 5,209,015 07/728,744 05/11/93 5,209,017 07/828,007 05/11/93 5,209,019 07/947,984 05/11/93 5,209,037 07/793,804 05/11/93 5,209,046 07/835,647 05/11/93 5,209,050 07/787,494 05/11/93 5,209,052 07/728,696 05/11/93 5,209,053 07/669,444 05/11/93 5,209,056 07/822,306 05/11/93 5,209,065 07/911,247 05/11/93 5,209,066 07/806,297 05/11/93 5,209,087 07/945,686 05/11/93 5,209,089 07/830,583 05/11/93 5,209,092 07/754,461 05/11/93 5,209,093 07/877,719 05/11/93 5,209,097 07/513,987 05/11/93 5,209,098 07/716,715 05/11/93 5,209,101 07/768,294 05/11/93 5,209,104 07/824,268 05/11/93 5,209,112 07/662,064 05/11/93 5,209,114 07/721,126 05/11/93 5,209,115 07/757,754 05/11/93 5,209,129 07/726,311 05/11/93 5,209,140 07/537,930 05/11/93 5,209,141 07/842,061 05/11/93 5,209,143 07/896,417 05/11/93 5,209,145 07/831,693 05/11/93 5,209,154 07/830,978 05/11/93 5,209,161 07/732,066 05/11/93 5,209,166 07/715,726 05/11/93 5,209,170 07/691,030 05/11/93 5,209,173 07/818,057 05/11/93 5,209,176 07/737,273 05/11/93 5,209,184 07/861,651 05/11/93 5,209,199 07/953,346 05/11/93 5,209,204 07/948,200 05/11/93 5,209,207 07/766,923 05/11/93 5,209,210 07/722,214 05/11/93 5,209,211 07/902,338 05/11/93 5,209,214 07/897,026 05/11/93 5,209,215 07/792,781 05/11/93 5,209,216 07/850,222 05/11/93 5,209,218 07/870,690 05/11/93 5,209,221 07/763,475 05/11/93 5,209,222 07/632,102 05/11/93 5,209,223 07/960,296 05/11/93 5,209,224 07/859,338 05/11/93 5,209,227 07/815,958 05/11/93 5,209,228 07/605,851 05/11/93 5,209,234 07/827,870 05/11/93 5,209,238 07/878,683 05/11/93 5,209,242 07/753,630 05/11/93 5,209,244 07/911,258 05/11/93 5,209,246 07/635,479 05/11/93 5,209,250 07/740,293 05/11/93 5,209,255 07/614,883 05/11/93 5,209,279 07/800,131 05/11/93 5,209,280 07/791,788 05/11/93 5,209,283 07/681,623 05/11/93 5,209,291 07/722,649 05/11/93 5,209,295 07/801,474 05/11/93 5,209,297 07/767,003 05/11/93 5,209,298 07/830,599 05/11/93 5,209,299 07/830,606 05/11/93 5,209,300 07/830,607 05/11/93 5,209,301 07/830,608 05/11/93 5,209,312 07/839,587 05/11/93 5,209,317 07/781,654 05/11/93 5,209,320 07/645,419 05/11/93 5,209,321 07/696,574 05/11/93 5,209,322 07/678,794 05/11/93 5,209,324 07/891,047 05/11/93 5,209,325 07/684,410 05/11/93 5,209,327 07/788,337 05/11/93 5,209,328 07/832,984 05/11/93 5,209,331 07/889,375 05/11/93 5,209,333 07/858,529 05/11/93 5,209,338 07/762,023 05/11/93 5,209,345 07/513,260 05/11/93 5,209,346 07/852,058 05/11/93 5,209,350 07/746,356 05/11/93 5,209,357 07/832,951 05/11/93 5,209,358 07/894,267 05/11/93 5,209,365 07/938,630 05/11/93 5,209,367 07/780,733 05/11/93 5,209,370 07/916,063 05/11/93 5,209,372 07/865,061 05/11/93 5,209,374 07/845,047 05/11/93 5,209,376 07/850,757 05/11/93 5,209,377 07/925,095 05/11/93 5,209,383 07/837,968 05/11/93 5,209,392 07/932,213 05/11/93 5,209,397 07/717,667 05/11/93 5,209,400 07/666,130 05/11/93 5,209,404 07/904,268 05/11/93 5,209,409 07/803,341 05/11/93 5,209,417 07/638,217 05/11/93 5,209,421 07/763,247 05/11/93 5,209,423 07/835,418 05/11/93 5,209,434 07/757,323 05/11/93 5,209,447 07/780,363 05/11/93 5,209,448 07/622,675 05/11/93 5,209,453 07/615,709 05/11/93 5,209,463 07/934,974 05/11/93 5,209,464 07/855,966 05/11/93 5,209,469 07/724,875 05/11/93 5,209,475 07/887,675 05/11/93 5,209,478 07/819,833 05/11/93 5,209,479 07/863,479 05/11/93 5,209,482 07/824,016 05/11/93 5,209,484 07/794,725 05/11/93 5,209,493 07/847,714 05/11/93 5,209,517 07/299,239 05/11/93 5,209,524 07/788,455 05/11/93 5,209,526 07/760,951 05/11/93 5,209,533 07/536,424 05/11/93 5,209,534 07/836,239 05/11/93 5,209,538 07/795,938 05/11/93 5,209,540 07/838,564 05/11/93 5,209,543 07/863,800 05/11/93 5,209,544 07/859,757 05/11/93 5,209,550 07/753,615 05/11/93 5,209,552 07/936,876 05/11/93 5,209,565 07/811,436 05/11/93 5,209,566 07/855,557 05/11/93 5,209,569 07/834,267 05/11/93 5,209,573 07/716,161 05/11/93 5,209,584 07/732,627 05/11/93 5,209,590 07/912,839 05/11/93 5,209,599 07/654,225 05/11/93 5,209,608 07/779,267 05/11/93 5,209,609 07/744,334 05/11/93 5,209,612 07/858,896 05/11/93 5,209,613 07/772,241 05/11/93 5,209,614 07/769,328 05/11/93 5,209,618 07/773,867 05/11/93 5,209,626 07/871,576 05/11/93 5,209,639 07/740,699 05/11/93 5,209,649 07/613,491 05/11/93 5,209,651 07/753,852 05/11/93 5,209,660 07/847,897 05/11/93 5,209,661 07/604,479 05/11/93 5,209,662 07/928,687 05/11/93 5,209,665 07/420,264 05/11/93 5,209,667 07/491,560 05/11/93 5,209,670 07/741,324 05/11/93 5,209,679 07/884,613 05/11/93 5,209,680 07/819,422 05/11/93 5,209,689 07/814,739 05/11/93 5,209,693 07/829,302 05/11/93 5,209,699 07/838,696 05/11/93 5,209,707 07/731,566 05/11/93 5,209,708 07/618,633 05/11/93 5,209,711 07/860,059 05/11/93 5,209,713 07/542,828 05/11/93 5,209,716 07/810,474 05/11/93 5,209,717 07/224,319 05/11/93 5,209,726 07/877,994 05/11/93 5,209,733 07/895,994 05/11/93 5,209,744 07/712,276 05/11/93 5,209,747 07/895,188 05/11/93 5,209,750 07/775,197 05/11/93 5,209,763 07/267,417 05/11/93 5,209,766 07/814,158 05/11/93 5,209,779 07/713,509 05/11/93 5,209,780 07/640,379 05/11/93 5,209,781 07/727,851 05/11/93 5,209,783 07/816,860 05/11/93 5,209,786 07/594,850 05/11/93 5,209,787 07/812,543 05/11/93 5,209,810 07/747,788 05/11/93 5,209,812 07/506,633 05/11/93 5,209,815 07/711,224 05/11/93 5,209,817 07/748,445 05/11/93 5,209,821 07/299,399 05/11/93 5,209,822 07/780,675 05/11/93 5,209,824 07/790,994 05/11/93 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07/793,751 05/11/93 5,210,002 07/735,979 05/11/93 5,210,004 07/726,680 05/11/93 5,210,006 07/708,277 05/11/93 5,210,018 07/341,041 05/11/93 5,210,033 07/872,519 05/11/93 5,210,034 07/706,411 05/11/93 5,210,038 07/639,615 05/11/93 5,210,055 07/601,914 05/11/93 5,210,057 07/883,817 05/11/93 5,210,058 07/726,578 05/11/93 5,210,062 07/750,174 05/11/93 5,210,070 07/792,179 05/11/93 5,210,075 07/480,868 05/11/93 5,210,080 07/683,473 05/11/93 5,210,082 07/701,275 05/11/93 5,210,096 07/728,896 05/11/93 5,210,097 07/524,954 05/11/93 5,210,100 07/427,940 05/11/93 5,210,102 07/689,201 05/11/93 5,210,106 07/771,442 05/11/93 5,210,110 07/793,759 05/11/93 5,210,113 07/555,024 05/11/93 5,210,120 07/785,813 05/11/93 5,210,121 07/783,049 05/11/93 5,210,123 07/590,731 05/11/93 5,210,125 07/923,327 05/11/93 5,210,126 07/676,123 05/11/93 5,210,127 07/964,592 05/11/93 5,210,148 07/774,839 05/11/93 5,210,151 07/939,179 05/11/93 5,210,153 07/815,878 05/11/93 5,210,159 07/675,832 05/11/93 5,210,160 07/410,047 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5,210,275 07/923,292 05/11/93 5,210,290 07/667,309 05/11/93 5,210,291 07/794,906 05/11/93 5,210,294 07/893,179 05/11/93 5,210,299 07/833,087 05/11/93 5,210,301 07/232,990 05/11/93 5,210,307 07/831,259 05/11/93 5,210,314 07/695,336 05/11/93 5,210,317 07/768,769 05/11/93 5,210,321 07/766,662 05/11/93 5,210,323 07/890,435 05/11/93 5,210,327 07/883,636 05/11/93 5,210,337 07/500,103 05/11/93 5,210,340 07/866,930 05/11/93 5,210,341 07/812,575 05/11/93 5,210,346 07/832,084 05/11/93 5,210,360 07/937,774 05/11/93 5,210,362 07/362,631 05/11/93 5,210,376 07/782,801 05/11/93 5,210,380 07/741,032 05/11/93 5,210,382 07/749,272 05/11/93 5,210,395 07/833,220 05/11/93 5,210,402 07/458,703 05/11/93 5,210,404 07/885,481 05/11/93 5,210,413 07/741,457 05/11/93 5,210,417 07/839,627 05/11/93 5,210,425 07/718,084 05/11/93 5,210,435 07/745,652 05/11/93 5,210,444 07/811,555 05/11/93 5,210,449 07/760,622 05/11/93 5,210,451 07/717,091 05/11/93 5,210,452 07/741,062 05/11/93 5,210,461 07/837,790 05/11/93 5,210,464 07/700,286 05/11/93 5,210,473 07/794,196 05/11/93 5,210,477 07/871,874 05/11/93 5,210,483 07/767,074 05/11/93 5,210,484 07/883,552 05/11/93 5,210,485 07/736,899 05/11/93 5,210,494 07/663,915 05/11/93 5,210,498 07/768,711 05/11/93 5,210,507 07/817,031 05/11/93 5,210,517 07/709,497 05/11/93 5,210,522 07/773,223 05/11/93 5,210,524 07/697,644 05/11/93 5,210,529 07/759,163 05/11/93 5,210,530 07/638,297 05/11/93 5,210,532 07/753,718 05/11/93 5,210,535 07/654,975 05/11/93 5,210,536 07/741,372 05/11/93 5,210,538 07/758,617 05/11/93 5,210,550 07/812,088 05/11/93 5,210,551 07/710,684 05/11/93 5,210,552 07/795,005 05/11/93 5,210,560 07/872,578 05/11/93 5,210,565 07/719,280 05/11/93 5,210,576 07/863,329 05/11/93 5,210,587 07/845,681 05/11/93 5,210,591 07/739,628 05/11/93 5,210,592 07/788,082 05/11/93 5,210,593 07/786,373 05/11/93 5,210,595 07/790,835 05/11/93 5,210,635 07/510,466 05/11/93 5,210,637 07/790,974 05/11/93 5,210,641 07/877,659 05/11/93 5,210,642 07/759,467 05/11/93 5,210,646 07/617,305 05/11/93 5,210,658 07/836,364 05/11/93 5,210,667 07/745,165 05/11/93 5,210,668 07/688,016 05/11/93 5,210,679 07/848,057 05/11/93 5,210,683 07/749,128 05/11/93 5,210,685 06/709,880 05/11/93 5,210,686 07/600,455 05/11/93 5,210,687 07/655,990 05/11/93 5,210,688 07/526,263 05/11/93 5,210,701 07/701,624 05/11/93 5,210,704 07/592,057 05/11/93 5,210,721 07/829,238 05/11/93 5,210,723 07/606,262 05/11/93 5,210,729 07/715,778 05/11/93 5,210,731 07/456,784 05/11/93 5,210,740 07/717,833 05/11/93 5,210,742 07/613,511 05/11/93 5,210,760 07/657,223 05/11/93 5,210,767 07/757,808 05/11/93 5,210,768 07/838,038 05/11/93 5,210,769 07/814,554 05/11/93 5,210,774 07/774,496 05/11/93 5,210,780 07/834,772 05/11/93 5,210,783 07/892,880 05/11/93 5,210,789 07/723,232 05/11/93 5,210,800 07/852,646 05/11/93 5,210,801 07/673,386 05/11/93 5,210,803 07/769,731 05/11/93 5,210,811 07/779,260 05/11/93 5,210,814 07/861,258 05/11/93 5,210,815 07/865,844 05/11/93 5,210,816 07/899,864 05/11/93 5,210,828 07/504,764 05/11/93 5,210,831 07/429,922 05/11/93 5,210,848 07/912,133 05/11/93 5,210,852 07/602,097 05/11/93 5,210,870 07/499,844 05/11/93 5,210,873 07/529,227 05/11/93 PATENTS WHICH EXPIRED ON May 13, 2001 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Serial Issue Number Number Date 5,628,064 08/532,151 05/13/97 5,628,068 08/406,570 05/13/97 5,628,069 08/591,680 05/13/97 5,628,070 08/582,049 05/13/97 5,628,071 08/491,197 05/13/97 5,628,072 08/262,609 05/13/97 5,628,074 08/489,278 05/13/97 5,628,083 08/511,555 05/13/97 5,628,084 08/708,222 05/13/97 5,628,088 08/508,948 05/13/97 5,628,090 08/465,517 05/13/97 5,628,092 08/447,624 05/13/97 5,628,096 08/551,605 05/13/97 5,628,101 08/581,987 05/13/97 5,628,104 08/031,531 05/13/97 5,628,109 08/422,709 05/13/97 5,628,115 08/580,895 05/13/97 5,628,118 08/518,665 05/13/97 5,628,120 08/500,921 05/13/97 5,628,126 07/956,006 05/13/97 5,628,133 08/472,286 05/13/97 5,628,139 08/518,647 05/13/97 5,628,147 08/411,615 05/13/97 5,628,151 08/339,754 05/13/97 5,628,161 08/526,203 05/13/97 5,628,173 08/523,276 05/13/97 5,628,178 08/678,520 05/13/97 5,628,183 08/320,956 05/13/97 5,628,194 08/526,817 05/13/97 5,628,203 08/210,688 05/13/97 5,628,204 08/342,125 05/13/97 5,628,212 08/380,288 05/13/97 5,628,213 08/422,896 05/13/97 5,628,214 08/369,755 05/13/97 5,628,215 08/556,717 05/13/97 5,628,217 08/437,720 05/13/97 5,628,228 08/531,385 05/13/97 5,628,238 08/481,444 05/13/97 5,628,239 08/625,169 05/13/97 5,628,245 08/320,700 05/13/97 5,628,246 08/609,387 05/13/97 5,628,251 08/328,409 05/13/97 5,628,252 08/382,427 05/13/97 5,628,262 08/657,308 05/13/97 5,628,273 08/519,726 05/13/97 5,628,281 08/378,628 05/13/97 5,628,291 08/586,752 05/13/97 5,628,295 08/631,962 05/13/97 5,628,296 08/586,584 05/13/97 5,628,300 08/346,619 05/13/97 5,628,304 08/493,585 05/13/97 5,628,305 08/534,606 05/13/97 5,628,311 08/520,428 05/13/97 5,628,328 08/428,052 05/13/97 5,628,330 08/404,596 05/13/97 5,628,332 08/496,911 05/13/97 5,628,334 08/428,556 05/13/97 5,628,336 08/585,110 05/13/97 5,628,340 08/729,732 05/13/97 5,628,343 08/615,722 05/13/97 5,628,345 08/263,877 05/13/97 5,628,348 08/400,289 05/13/97 5,628,350 08/502,310 05/13/97 5,628,353 08/490,007 05/13/97 5,628,355 08/401,001 05/13/97 5,628,369 08/330,562 05/13/97 5,628,370 08/662,078 05/13/97 5,628,371 08/554,290 05/13/97 5,628,381 08/587,370 05/13/97 5,628,382 08/536,976 05/13/97 5,628,383 08/119,959 05/13/97 5,628,386 08/650,239 05/13/97 5,628,387 08/589,735 05/13/97 5,628,388 08/500,696 05/13/97 5,628,393 08/488,645 05/13/97 5,628,399 08/562,748 05/13/97 5,628,404 08/699,541 05/13/97 5,628,405 08/569,791 05/13/97 5,628,425 08/644,258 05/13/97 5,628,432 08/627,086 05/13/97 5,628,434 08/459,308 05/13/97 5,628,440 08/306,838 05/13/97 5,628,443 08/113,208 05/13/97 5,628,447 08/619,108 05/13/97 5,628,457 08/406,135 05/13/97 5,628,459 08/391,928 05/13/97 5,628,463 08/426,381 05/13/97 5,628,473 08/161,947 05/13/97 5,628,482 08/512,843 05/13/97 5,628,485 08/357,198 05/13/97 5,628,486 08/453,692 05/13/97 5,628,487 08/538,459 05/13/97 5,628,492 08/597,500 05/13/97 5,628,495 08/690,728 05/13/97 5,628,497 08/537,339 05/13/97 5,628,498 08/573,635 05/13/97 5,628,499 08/188,337 05/13/97 5,628,507 08/633,161 05/13/97 5,628,512 08/633,911 05/13/97 5,628,513 08/583,850 05/13/97 5,628,514 08/574,645 05/13/97 5,628,523 08/380,595 05/13/97 5,628,524 08/558,162 05/13/97 5,628,540 08/546,882 05/13/97 5,628,541 08/375,594 05/13/97 5,628,550 08/493,514 05/13/97 5,628,551 08/611,254 05/13/97 5,628,552 08/559,621 05/13/97 5,628,557 08/491,591 05/13/97 5,628,581 08/391,697 05/13/97 5,628,582 08/427,156 05/13/97 5,628,599 08/503,278 05/13/97 5,628,602 08/588,415 05/13/97 5,628,608 08/580,138 05/13/97 5,628,613 08/534,125 05/13/97 5,628,614 08/405,360 05/13/97 5,628,617 08/694,444 05/13/97 5,628,633 08/685,928 05/13/97 5,628,641 08/553,085 05/13/97 5,628,654 08/489,442 05/13/97 5,628,664 08/538,145 05/13/97 5,628,666 08/382,734 05/13/97 5,628,667 08/606,926 05/13/97 5,628,669 08/118,892 05/13/97 5,628,670 08/531,592 05/13/97 5,628,675 08/546,784 05/13/97 5,628,678 08/642,456 05/13/97 5,628,680 08/525,489 05/13/97 5,628,682 08/370,133 05/13/97 5,628,684 08/375,808 05/13/97 5,628,685 08/374,610 05/13/97 5,628,695 08/671,047 05/13/97 5,628,696 08/526,058 05/13/97 5,628,714 08/452,266 05/13/97 5,628,730 08/276,540 05/13/97 5,628,733 08/205,517 05/13/97 5,628,747 08/007,702 05/13/97 5,628,753 08/457,641 05/13/97 5,628,757 08/348,775 05/13/97 5,628,760 08/395,428 05/13/97 5,628,772 08/572,534 05/13/97 5,628,773 08/375,980 05/13/97 5,628,790 08/547,127 05/13/97 5,628,791 08/647,000 05/13/97 5,628,793 08/241,221 05/13/97 5,628,804 08/576,800 05/13/97 5,628,808 08/524,890 05/13/97 5,628,810 08/504,270 05/13/97 5,628,818 08/578,262 05/13/97 5,628,835 08/155,788 05/13/97 5,628,841 08/184,840 05/13/97 5,628,846 08/442,811 05/13/97 5,628,851 08/519,676 05/13/97 5,628,867 08/445,426 05/13/97 5,628,886 08/599,140 05/13/97 5,628,887 08/631,151 05/13/97 5,628,888 08/624,720 05/13/97 5,628,891 08/568,190 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