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 main- tenance 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 ap- plicable surcharge. PATENTS WHICH EXPIRED ON April 7, 1999 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Application Issue Number Number Date 4,654,899 06/830,877 04/07/87 4,654,906 06/595,584 04/07/87 4,654,909 06/811,764 04/07/87 4,654,910 06/780,060 04/07/87 4,654,914 06/850,785 04/07/87 4,654,918 06/799,340 04/07/87 4,654,919 06/802,682 04/07/87 4,654,930 06/854,997 04/07/87 4,654,950 06/902,009 04/07/87 4,654,955 06/524,405 04/07/87 4,654,960 06/808,901 04/07/87 4,654,965 06/755,430 04/07/87 4,654,976 06/763,833 04/07/87 4,654,982 06/853,462 04/07/87 4,654,986 06/827,092 04/07/87 4,654,990 06/801,230 04/07/87 4,654,995 06/772,549 04/07/87 4,655,007 06/874,462 04/07/87 4,655,012 06/545,874 04/07/87 4,655,013 06/696,574 04/07/87 4,655,018 06/696,710 04/07/87 4,655,025 06/701,130 04/07/87 4,655,027 06/797,979 04/07/87 4,655,028 06/690,242 04/07/87 4,655,029 06/788,868 04/07/87 4,655,035 06/754,822 04/07/87 4,655,038 06/823,539 04/07/87 4,655,041 06/820,617 04/07/87 4,655,051 06/801,946 04/07/87 4,655,060 06/875,289 04/07/87 4,655,061 06/765,961 04/07/87 4,655,064 06/803,240 04/07/87 4,655,069 06/756,975 04/07/87 4,655,070 06/654,393 04/07/87 4,655,071 06/801,927 04/07/87 4,655,074 06/764,916 04/07/87 4,655,085 06/759,288 04/07/87 4,655,088 06/784,980 04/07/87 4,655,092 06/729,837 04/07/87 4,655,098 06/771,941 04/07/87 4,655,101 06/690,285 04/07/87 4,655,111 06/764,488 04/07/87 4,655,115 06/644,139 04/07/87 4,655,116 06/729,671 04/07/87 4,655,127 06/718,451 04/07/87 4,655,132 06/780,989 04/07/87 4,655,135 06/311,826 04/07/87 4,655,138 06/651,201 04/07/87 4,655,141 06/635,841 04/07/87 4,655,142 06/620,145 04/07/87 4,655,145 06/803,607 04/07/87 4,655,151 06/809,558 04/07/87 4,655,152 06/859,328 04/07/87 4,655,161 06/808,465 04/07/87 4,655,167 06/746,169 04/07/87 4,655,174 06/819,617 04/07/87 4,655,176 06/804,911 04/07/87 4,655,179 06/757,650 04/07/87 4,655,181 06/787,416 04/07/87 4,655,191 06/709,758 04/07/87 4,655,195 06/815,268 04/07/87 4,655,210 06/819,686 04/07/87 4,655,211 06/763,589 04/07/87 4,655,216 06/758,165 04/07/87 4,655,221 06/731,198 04/07/87 4,655,223 06/762,766 04/07/87 4,655,228 06/675,869 04/07/87 4,655,233 06/794,774 04/07/87 4,655,237 06/706,782 04/07/87 4,655,242 06/838,430 04/07/87 4,655,249 06/849,923 04/07/87 4,655,250 06/825,622 04/07/87 4,655,255 06/819,446 04/07/87 4,655,261 06/797,582 04/07/87 4,655,265 06/775,733 04/07/87 4,655,267 06/849,019 04/07/87 4,655,280 06/858,841 04/07/87 4,655,284 06/828,250 04/07/87 4,655,285 06/708,798 04/07/87 4,655,295 06/754,619 04/07/87 4,655,305 06/747,993 04/07/87 4,655,318 06/784,808 04/07/87 4,655,326 06/802,928 04/07/87 4,655,329 06/780,955 04/07/87 4,655,330 06/608,624 04/07/87 4,655,336 06/712,369 04/07/87 4,655,340 06/548,627 04/07/87 4,655,342 06/735,819 04/07/87 4,655,343 06/750,870 04/07/87 4,655,348 06/671,196 04/07/87 4,655,350 06/749,314 04/07/87 4,655,354 06/803,096 04/07/87 4,655,361 06/815,829 04/07/87 4,655,362 06/853,151 04/07/87 4,655,363 06/779,870 04/07/87 4,655,365 06/679,287 04/07/87 4,655,378 06/751,275 04/07/87 4,655,380 06/779,879 04/07/87 4,655,381 06/734,723 04/07/87 4,655,388 06/835,734 04/07/87 4,655,393 06/834,646 04/07/87 4,655,400 06/728,427 04/07/87 4,655,406 06/675,220 04/07/87 4,655,407 06/712,675 04/07/87 4,655,411 06/680,340 04/07/87 4,655,424 06/796,855 04/07/87 4,655,433 06/767,349 04/07/87 4,655,435 06/686,297 04/07/87 4,655,436 06/807,282 04/07/87 4,655,439 06/794,759 04/07/87 4,655,440 06/700,840 04/07/87 4,655,443 06/819,352 04/07/87 4,655,446 06/699,668 04/07/87 4,655,447 06/761,796 04/07/87 4,655,460 06/820,308 04/07/87 4,655,461 06/612,610 04/07/87 4,655,463 06/903,603 04/07/87 4,655,470 06/850,860 04/07/87 4,655,473 06/867,622 04/07/87 4,655,484 06/450,491 04/07/87 4,655,487 06/794,657 04/07/87 4,655,491 06/860,399 04/07/87 4,655,501 06/758,754 04/07/87 4,655,502 06/676,325 04/07/87 4,655,508 06/647,630 04/07/87 4,655,515 06/754,784 04/07/87 4,655,516 06/683,896 04/07/87 4,655,522 06/685,673 04/07/87 4,655,526 06/823,849 04/07/87 4,655,531 06/778,439 04/07/87 4,655,548 06/663,307 04/07/87 4,655,550 06/663,249 04/07/87 4,655,556 06/742,287 04/07/87 4,655,568 06/695,896 04/07/87 4,655,572 06/763,977 04/07/87 4,655,580 06/795,436 04/07/87 4,655,583 06/853,750 04/07/87 4,655,584 06/729,968 04/07/87 4,655,598 06/799,262 04/07/87 4,655,600 06/768,621 04/07/87 4,655,603 06/716,857 04/07/87 4,655,606 06/710,803 04/07/87 4,655,608 06/790,714 04/07/87 4,655,610 06/800,881 04/07/87 4,655,611 06/814,145 04/07/87 4,655,615 06/770,014 04/07/87 4,655,620 06/813,350 04/07/87 4,655,622 06/761,705 04/07/87 4,655,638 06/873,783 04/07/87 4,655,645 06/688,038 04/07/87 4,655,646 06/874,425 04/07/87 4,655,648 06/706,327 04/07/87 4,655,649 06/904,869 04/07/87 4,655,651 06/763,811 04/07/87 4,655,662 06/765,949 04/07/87 4,655,671 06/631,870 04/07/87 4,655,672 06/827,692 04/07/87 4,655,673 06/493,419 04/07/87 4,655,680 06/760,318 04/07/87 4,655,685 06/809,460 04/07/87 4,655,687 06/823,649 04/07/87 4,655,691 06/895,575 04/07/87 4,655,696 06/797,733 04/07/87 4,655,700 06/439,996 04/07/87 4,655,701 06/831,365 04/07/87 4,655,716 06/771,330 04/07/87 4,655,723 06/713,140 04/07/87 4,655,730 06/764,249 04/07/87 4,655,735 06/763,927 04/07/87 4,655,741 06/770,300 04/07/87 4,655,742 06/631,219 04/07/87 4,655,748 06/772,534 04/07/87 4,655,751 06/829,330 04/07/87 4,655,762 06/490,978 04/07/87 4,655,764 06/899,786 04/07/87 4,655,769 06/811,015 04/07/87 4,655,770 06/741,758 04/07/87 4,655,803 06/767,722 04/07/87 4,655,810 06/834,119 04/07/87 4,655,813 06/836,773 04/07/87 4,655,819 06/334,384 04/07/87 4,655,828 06/811,562 04/07/87 4,655,833 06/785,044 04/07/87 4,655,836 06/732,923 04/07/87 4,655,839 06/692,411 04/07/87 4,655,840 06/698,264 04/07/87 4,655,852 06/766,604 04/07/87 4,655,855 06/758,926 04/07/87 4,655,857 06/473,403 04/07/87 4,655,863 06/828,834 04/07/87 4,655,871 06/872,206 04/07/87 4,655,872 06/792,031 04/07/87 4,655,878 06/668,930 04/07/87 4,655,888 06/733,296 04/07/87 4,655,890 06/699,237 04/07/87 4,655,898 06/880,949 04/07/87 4,655,906 06/858,772 04/07/87 4,655,909 06/682,872 04/07/87 4,655,918 06/704,610 04/07/87 4,655,924 06/782,060 04/07/87 4,655,927 06/758,709 04/07/87 4,655,930 06/823,664 04/07/87 4,655,931 06/736,925 04/07/87 4,655,935 06/789,584 04/07/87 4,655,936 06/777,807 04/07/87 4,655,944 06/790,760 04/07/87 4,655,951 06/837,033 04/07/87 4,655,952 06/705,680 04/07/87 4,655,958 06/817,764 04/07/87 4,655,964 06/754,013 04/07/87 4,655,965 06/705,233 04/07/87 4,655,969 06/719,788 04/07/87 4,655,971 06/641,267 04/07/87 4,655,973 06/260,869 04/07/87 4,655,975 06/822,992 04/07/87 4,656,005 06/798,160 04/07/87 4,656,009 06/655,352 04/07/87 4,656,017 06/756,799 04/07/87 4,656,018 06/798,910 04/07/87 4,656,019 06/791,253 04/07/87 4,656,022 06/820,431 04/07/87 4,656,031 06/731,224 04/07/87 4,656,040 06/480,986 04/07/87 4,656,042 06/771,144 04/07/87 4,656,043 06/775,682 04/07/87 4,656,052 06/700,697 04/07/87 4,656,057 06/755,768 04/07/87 4,656,068 06/750,252 04/07/87 4,656,070 06/805,498 04/07/87 4,656,071 06/665,912 04/07/87 4,656,073 06/848,853 04/07/87 4,656,081 06/603,308 04/07/87 4,656,094 06/754,520 04/07/87 4,656,099 06/513,224 04/07/87 4,656,124 06/770,998 04/07/87 4,656,129 06/641,462 04/07/87 4,656,139 06/880,049 04/07/87 4,656,144 06/757,761 04/07/87 4,656,146 06/748,261 04/07/87 4,656,162 06/670,743 04/07/87 4,656,172 06/776,625 04/07/87 4,656,185 06/804,729 04/07/87 4,656,194 06/785,713 04/07/87 4,656,198 06/882,538 04/07/87 4,656,199 06/824,337 04/07/87 4,656,204 06/547,929 04/07/87 4,656,213 06/665,235 04/07/87 4,656,220 06/784,509 04/07/87 4,656,221 06/745,345 04/07/87 4,656,224 06/878,508 04/07/87 4,656,230 06/754,388 04/07/87 4,656,244 06/716,675 04/07/87 4,656,245 06/836,863 04/07/87 4,656,246 06/840,096 04/07/87 4,656,249 06/387,131 04/07/87 4,656,250 06/637,735 04/07/87 4,656,255 06/773,671 04/07/87 4,656,258 06/743,243 04/07/87 4,656,262 06/808,680 04/07/87 4,656,268 06/788,811 04/07/87 4,656,273 06/809,462 04/07/87 4,656,275 06/730,056 04/07/87 4,656,280 06/587,061 04/07/87 4,656,286 06/866,782 04/07/87 4,656,287 06/753,942 04/07/87 4,656,290 06/691,972 04/07/87 4,656,293 06/817,180 04/07/87 4,656,298 06/787,300 04/07/87 4,656,304 06/614,150 04/07/87 4,656,314 06/789,713 04/07/87 4,656,315 06/497,015 04/07/87 4,656,327 06/768,844 04/07/87 4,656,328 06/674,843 04/07/87 4,656,335 06/495,190 04/07/87 4,656,336 06/841,871 04/07/87 4,656,340 06/729,044 04/07/87 4,656,347 06/695,698 04/07/87 4,656,351 06/681,953 04/07/87 4,656,359 06/838,879 04/07/87 4,656,361 06/781,572 04/07/87 4,656,363 06/700,476 04/07/87 4,656,367 06/789,250 04/07/87 4,656,376 06/869,215 04/07/87 4,656,377 06/695,816 04/07/87 4,656,392 06/546,478 04/07/87 4,656,399 06/728,661 04/07/87 4,656,404 06/701,893 04/07/87 4,656,409 06/746,829 04/07/87 4,656,411 06/671,113 04/07/87 4,656,412 06/753,023 04/07/87 4,656,414 06/789,198 04/07/87 4,656,416 06/637,426 04/07/87 4,656,417 06/759,804 04/07/87 4,656,418 06/822,789 04/07/87 4,656,423 06/548,771 04/07/87 4,656,431 06/836,921 04/07/87 4,656,473 06/657,849 04/07/87 4,656,476 06/769,089 04/07/87 4,656,484 06/762,415 04/07/87 4,656,489 06/854,805 04/07/87 4,656,499 06/685,864 04/07/87 4,656,501 06/793,644 04/07/87 4,656,503 06/770,322 04/07/87 4,656,504 06/701,215 04/07/87 4,656,505 06/684,719 04/07/87 4,656,512 06/734,514 04/07/87 4,656,513 06/676,556 04/07/87 4,656,517 06/736,634 04/07/87 4,656,522 06/705,650 04/07/87 4,656,524 06/812,112 04/07/87 4,656,525 06/804,595 04/07/87 4,656,530 06/801,429 04/07/87 4,656,531 06/610,413 04/07/87 4,656,532 06/759,730 04/07/87 4,656,537 06/813,656 04/07/87 4,656,542 06/613,323 04/07/87 4,656,552 06/643,224 04/07/87 4,656,560 06/700,248 04/07/87 4,656,563 06/804,143 04/07/87 4,656,571 06/736,948 04/07/87 4,656,572 06/896,568 04/07/87 4,656,573 06/862,027 04/07/87 4,656,580 06/387,408 04/07/87 4,656,581 06/661,462 04/07/87 4,656,584 06/637,275 04/07/87 4,656,586 06/638,139 04/07/87 4,656,589 06/682,930 04/07/87 4,656,592 06/659,395 04/07/87 4,656,596 06/633,386 04/07/87 4,656,597 06/633,385 04/07/87 4,656,599 06/664,966 04/07/87 4,656,601 06/665,818 04/07/87 4,656,602 06/664,178 04/07/87 4,656,607 06/632,317 04/07/87 4,656,613 06/645,580 04/07/87 4,656,614 06/637,050 04/07/87 4,656,630 06/687,812 04/07/87 4,656,631 06/698,801 04/07/87 4,656,634 06/745,341 04/07/87 4,656,642 06/601,453 04/07/87 4,656,643 06/764,460 04/07/87 4,656,644 06/659,963 04/07/87 4,656,649 06/810,123 04/07/87 4,656,662 06/514,992 04/07/87 4,656,664 06/664,137 04/07/87 4,656,665 06/692,008 04/07/87 PATENTS WHICH EXPIRED ON April 2, 1999 DUE TO FAILURE TO PAY MAINTENANCE FEES 5,003,633 07/422,832 04/02/91 5,003,635 07/404,210 04/02/91 5,003,637 07/115,208 04/02/91 5,003,641 07/508,948 04/02/91 5,003,642 06/866,983 04/02/91 5,003,643 07/436,231 04/02/91 5,003,645 07/476,201 04/02/91 5,003,647 07/384,557 04/02/91 5,003,651 07/415,599 04/02/91 5,003,662 07/451,729 04/02/91 5,003,663 07/287,157 04/02/91 5,003,665 07/285,256 04/02/91 5,003,666 07/529,300 04/02/91 5,003,669 07/530,808 04/02/91 5,003,674 07/388,441 04/02/91 5,003,677 07/359,101 04/02/91 5,003,678 07/468,075 04/02/91 5,003,683 07/448,381 04/02/91 5,003,684 07/413,239 04/02/91 5,003,687 07/194,364 04/02/91 5,003,688 07/352,291 04/02/91 5,003,695 07/494,924 04/02/91 5,003,697 07/445,465 04/02/91 5,003,701 07/338,588 04/02/91 5,003,704 07/324,084 04/02/91 5,003,707 07/495,367 04/02/91 5,003,708 07/444,713 04/02/91 5,003,710 07/519,584 04/02/91 5,003,711 06/748,458 04/02/91 5,003,713 07/399,619 04/02/91 5,003,715 07/519,631 04/02/91 5,003,718 07/349,946 04/02/91 5,003,719 07/447,786 04/02/91 5,003,722 07/416,479 04/02/91 5,003,724 07/366,682 04/02/91 5,003,727 07/540,855 04/02/91 5,003,735 07/446,075 04/02/91 5,003,742 07/135,641 04/02/91 5,003,745 07/468,231 04/02/91 5,003,749 07/481,615 04/02/91 5,003,753 07/451,195 04/02/91 5,003,760 07/425,929 04/02/91 5,003,768 07/480,377 04/02/91 5,003,778 07/490,739 04/02/91 5,003,779 07/539,942 04/02/91 5,003,781 07/353,752 04/02/91 5,003,791 07/060,015 04/02/91 5,003,793 07/253,073 04/02/91 5,003,801 07/005,070 04/02/91 5,003,802 07/443,240 04/02/91 5,003,806 07/425,120 04/02/91 5,003,818 07/466,950 04/02/91 5,003,820 07/527,934 04/02/91 5,003,821 07/444,977 04/02/91 5,003,822 07/416,144 04/02/91 5,003,833 07/512,548 04/02/91 5,003,835 07/388,562 04/02/91 5,003,838 07/506,940 04/02/91 5,003,840 07/432,253 04/02/91 5,003,843 07/524,568 04/02/91 5,003,846 07/508,757 04/02/91 5,003,847 07/569,260 04/02/91 5,003,848 07/542,023 04/02/91 5,003,849 07/523,062 04/02/91 5,003,850 07/521,411 04/02/91 5,003,856 07/415,611 04/02/91 5,003,858 07/437,362 04/02/91 5,003,859 07/311,601 04/02/91 5,003,862 07/344,958 04/02/91 5,003,865 07/457,406 04/02/91 5,003,881 07/564,234 04/02/91 5,003,889 07/475,125 04/02/91 5,003,896 07/286,383 04/02/91 5,003,901 07/374,820 04/02/91 5,003,906 07/450,218 04/02/91 5,003,914 07/492,376 04/02/91 5,003,926 07/538,001 04/02/91 5,003,929 07/485,977 04/02/91 5,003,930 07/513,067 04/02/91 5,003,932 07/558,280 04/02/91 5,003,936 07/472,368 04/02/91 5,003,941 07/532,742 04/02/91 5,003,942 07/517,292 04/02/91 5,003,943 07/358,068 04/02/91 5,003,945 07/413,337 04/02/91 5,003,949 07/341,644 04/02/91 5,003,963 07/489,272 04/02/91 5,003,964 07/530,406 04/02/91 5,003,966 07/420,865 04/02/91 5,003,973 07/340,693 04/02/91 5,003,982 07/386,249 04/02/91 5,003,983 07/236,899 04/02/91 5,003,984 07/473,061 04/02/91 5,003,987 07/241,354 04/02/91 5,003,997 07/448,538 04/02/91 5,004,000 07/473,873 04/02/91 5,004,001 07/390,867 04/02/91 5,004,003 07/459,975 04/02/91 5,004,005 07/506,101 04/02/91 5,004,008 07/502,896 04/02/91 5,004,012 07/514,084 04/02/91 5,004,013 07/542,735 04/02/91 5,004,014 07/545,595 04/02/91 5,004,015 07/353,066 04/02/91 5,004,018 07/386,754 04/02/91 5,004,020 07/436,286 04/02/91 5,004,021 07/415,369 04/02/91 5,004,023 07/494,127 04/02/91 5,004,024 07/441,942 04/02/91 5,004,025 07/413,207 04/02/91 5,004,043 07/274,932 04/02/91 5,004,045 07/490,297 04/02/91 5,004,050 07/457,828 04/02/91 5,004,051 07/406,355 04/02/91 5,004,052 07/263,904 04/02/91 5,004,054 07/547,033 04/02/91 5,004,063 07/290,209 04/02/91 5,004,065 07/353,757 04/02/91 5,004,068 07/446,766 04/02/91 5,004,075 07/400,505 04/02/91 5,004,077 07/406,549 04/02/91 5,004,082 07/292,240 04/02/91 5,004,085 07/490,146 04/02/91 5,004,091 07/509,208 04/02/91 5,004,102 07/559,773 04/02/91 5,004,106 07/480,115 04/02/91 5,004,108 07/327,337 04/02/91 5,004,113 07/304,593 04/02/91 5,004,123 07/390,111 04/02/91 5,004,128 07/307,047 04/02/91 5,004,133 07/341,124 04/02/91 5,004,139 07/408,072 04/02/91 5,004,147 07/410,625 04/02/91 5,004,148 07/507,778 04/02/91 5,004,150 07/482,334 04/02/91 5,004,152 07/428,553 04/02/91 5,004,155 07/472,283 04/02/91 5,004,162 07/369,506 04/02/91 5,004,167 07/429,007 04/02/91 5,004,168 07/435,339 04/02/91 5,004,172 07/369,410 04/02/91 5,004,173 07/335,347 04/02/91 5,004,174 07/385,811 04/02/91 5,004,175 07/391,429 04/02/91 5,004,177 07/442,222 04/02/91 5,004,188 07/339,618 04/02/91 5,004,189 07/400,782 04/02/91 5,004,196 07/436,704 04/02/91 5,004,204 07/381,266 04/02/91 5,004,207 07/427,151 04/02/91 5,004,211 07/398,652 04/02/91 5,004,217 07/518,323 04/02/91 5,004,220 07/404,001 04/02/91 5,004,224 07/531,565 04/02/91 5,004,227 07/398,360 04/02/91 5,004,233 07/484,178 04/02/91 5,004,236 07/233,846 04/02/91 5,004,237 07/364,085 04/02/91 5,004,240 07/510,559 04/02/91 5,004,241 07/489,253 04/02/91 5,004,249 07/308,522 04/02/91 5,004,258 07/404,695 04/02/91 5,004,262 07/433,094 04/02/91 5,004,276 07/468,255 04/02/91 5,004,279 07/382,223 04/02/91 5,004,282 07/454,895 04/02/91 5,004,283 07/532,184 04/02/91 5,004,284 07/440,165 04/02/91 5,004,287 07/384,503 04/02/91 5,004,290 07/416,602 04/02/91 5,004,292 07/462,235 04/02/91 5,004,297 07/376,417 04/02/91 5,004,303 07/468,181 04/02/91 5,004,306 07/450,482 04/02/91 5,004,311 07/428,344 04/02/91 5,004,313 07/280,101 04/02/91 5,004,317 07/460,418 04/02/91 5,004,319 07/291,916 04/02/91 5,004,322 07/469,130 04/02/91 5,004,330 07/494,983 04/02/91 5,004,334 07/528,539 04/02/91 5,004,335 07/247,368 04/02/91 5,004,339 06/943,844 04/02/91 5,004,340 07/186,879 04/02/91 5,004,345 07/279,820 04/02/91 5,004,355 07/417,045 04/02/91 5,004,360 07/359,840 04/02/91 5,004,361 07/404,137 04/02/91 5,004,372 07/544,739 04/02/91 5,004,375 07/370,254 04/02/91 5,004,376 07/358,619 04/02/91 5,004,387 07/438,604 04/02/91 5,004,390 07/462,052 04/02/91 5,004,395 07/499,907 04/02/91 5,004,396 07/387,666 04/02/91 5,004,406 07/327,081 04/02/91 5,004,417 07/243,415 04/02/91 5,004,419 07/470,785 04/02/91 5,004,438 07/548,291 04/02/91 5,004,440 07/444,435 04/02/91 5,004,441 07/445,777 04/02/91 5,004,443 07/468,251 04/02/91 5,004,444 07/391,753 04/02/91 5,004,460 07/241,382 04/02/91 5,004,461 07/327,686 04/02/91 5,004,463 07/477,913 04/02/91 5,004,473 07/350,632 04/02/91 5,004,479 06/872,371 04/02/91 5,004,481 07/519,416 04/02/91 5,004,487 07/485,230 04/02/91 5,004,489 07/483,177 04/02/91 5,004,496 07/555,653 04/02/91 5,004,502 07/571,207 04/02/91 5,004,511 07/313,835 04/02/91 5,004,517 07/437,076 04/02/91 5,004,519 07/244,623 04/02/91 5,004,522 07/453,014 04/02/91 5,004,532 07/031,222 04/02/91 5,004,536 07/343,047 04/02/91 5,004,537 07/452,307 04/02/91 5,004,556 07/341,404 04/02/91 5,004,558 07/281,440 04/02/91 5,004,559 07/271,995 04/02/91 5,004,561 07/300,210 04/02/91 5,004,563 07/345,029 04/02/91 5,004,564 07/503,960 04/02/91 5,004,567 07/222,302 04/02/91 5,004,569 07/281,887 04/02/91 5,004,575 07/262,268 04/02/91 5,004,586 07/150,029 04/02/91 5,004,592 07/197,515 04/02/91 5,004,593 07/339,481 04/02/91 5,004,600 07/498,664 04/02/91 5,004,606 06/911,269 04/02/91 5,004,609 07/403,895 04/02/91 5,004,619 07/355,681 04/02/91 5,004,622 07/523,573 04/02/91 5,004,625 07/347,311 04/02/91 5,004,630 07/520,535 04/02/91 5,004,637 07/395,772 04/02/91 5,004,644 07/197,454 04/02/91 5,004,659 07/495,159 04/02/91 5,004,661 07/358,930 04/02/91 5,004,672 07/377,123 04/02/91 5,004,673 07/449,644 04/02/91 5,004,676 07/481,737 04/02/91 5,004,680 07/359,615 04/02/91 5,004,686 07/140,739 04/02/91 5,004,694 07/093,431 04/02/91 5,004,695 07/116,872 04/02/91 5,004,696 07/172,682 04/02/91 5,004,710 07/059,504 04/02/91 5,004,720 07/235,542 04/02/91 5,004,722 07/300,285 04/02/91 5,004,724 07/321,263 04/02/91 5,004,726 07/380,162 04/02/91 5,004,729 07/266,862 04/02/91 5,004,730 07/266,599 04/02/91 5,004,731 07/266,598 04/02/91 5,004,732 07/266,596 04/02/91 5,004,733 07/266,611 04/02/91 5,004,734 07/266,597 04/02/91 5,004,737 07/411,411 04/02/91 5,004,739 07/544,286 04/02/91 5,004,740 07/543,990 04/02/91 5,004,742 07/392,899 04/02/91 5,004,745 07/465,483 04/02/91 5,004,747 07/494,956 04/02/91 5,004,748 07/164,406 04/02/91 5,004,754 07/361,052 04/02/91 5,004,755 07/100,145 04/02/91 5,004,759 07/213,512 04/02/91 5,004,762 07/441,130 04/02/91 5,004,773 07/036,381 04/02/91 5,004,780 07/320,591 04/02/91 5,004,799 07/409,677 04/02/91 5,004,800 07/204,278 04/02/91 5,004,802 06/884,418 04/02/91 5,004,807 07/267,347 04/02/91 5,004,810 07/252,225 04/02/91 5,004,814 07/421,573 04/02/91 5,004,815 07/343,909 04/02/91 5,004,817 07/315,568 04/02/91 5,004,820 07/390,062 04/02/91 5,004,824 07/372,528 04/02/91 5,004,826 07/444,466 04/02/91 5,004,828 07/043,051 04/02/91 5,004,833 07/408,192 04/02/91 5,004,845 07/212,113 04/02/91 5,004,846 07/352,022 04/02/91 5,004,851 07/275,665 04/02/91 5,004,860 06/890,127 04/02/91 5,004,866 07/428,140 04/02/91 5,004,868 07/505,891 04/02/91 5,004,870 07/508,248 04/02/91 5,004,871 07/436,196 04/02/91 5,004,872 07/437,018 04/02/91 5,004,873 07/410,174 04/02/91 5,004,881 07/440,264 04/02/91 5,004,884 07/454,920 04/02/91 5,004,895 07/376,818 04/02/91 5,004,899 07/337,875 04/02/91 5,004,903 07/503,179 04/02/91 5,004,919 07/547,477 04/02/91 5,004,920 07/537,156 04/02/91 5,004,922 07/421,940 04/02/91 5,004,931 07/424,040 04/02/91 5,004,932 07/373,261 04/02/91 5,004,934 07/302,469 04/02/91 5,004,936 07/332,261 04/02/91 5,004,939 07/524,443 04/02/91 5,004,940 07/098,075 04/02/91 5,004,947 07/430,900 04/02/91 5,004,948 07/327,326 04/02/91 5,004,954 07/454,592 04/02/91 5,004,956 07/273,296 04/02/91 5,004,959 07/498,498 04/02/91 5,004,961 07/511,193 04/02/91 5,004,966 07/442,569 04/02/91 5,004,969 07/422,396 04/02/91 5,004,976 07/431,129 04/02/91 5,004,981 07/434,082 04/02/91 5,004,984 07/404,430 04/02/91 5,004,988 07/382,107 04/02/91 5,004,989 07/450,338 04/02/91 5,004,993 07/410,385 04/02/91 5,004,995 07/497,284 04/02/91 5,005,003 07/330,187 04/02/91 5,005,007 07/521,785 04/02/91 5,005,008 07/544,024 04/02/91 5,005,017 07/508,455 04/02/91 5,005,018 06/440,392 04/02/91 5,005,021 07/389,448 04/02/91 5,005,023 07/278,589 04/02/91 5,005,029 07/509,109 04/02/91 5,005,030 07/529,322 04/02/91 5,005,043 07/371,226 04/02/91 5,005,044 07/410,201 04/02/91 5,005,048 07/548,086 04/02/91 5,005,050 07/366,728 04/02/91 5,005,052 07/286,885 04/02/91 5,005,053 07/475,826 04/02/91 5,005,059 07/345,746 04/02/91 5,005,061 07/474,889 04/02/91 5,005,062 07/389,726 04/02/91 5,005,065 07/334,131 04/02/91 5,005,066 07/455,769 04/02/91 5,005,067 07/165,039 04/02/91 5,005,069 07/516,656 04/02/91 5,005,080 07/193,744 04/02/91 5,005,081 07/294,663 04/02/91 5,005,091 07/457,562 04/02/91 5,005,115 07/386,067 04/02/91 5,005,119 07/401,461 04/02/91 5,005,130 07/454,095 04/02/91 5,005,134 07/274,149 04/02/91 5,005,138 07/511,788 04/02/91 5,005,143 07/411,911 04/02/91 5,005,146 07/289,398 04/02/91 5,005,147 07/292,130 04/02/91 5,005,150 07/336,956 04/02/91 5,005,173 07/281,308 04/02/91 5,005,188 07/373,211 04/02/91 5,005,192 07/407,058 04/02/91 5,005,193 07/374,194 04/02/91 5,005,197 07/444,106 04/02/91 5,005,199 07/436,588 04/02/91 5,005,201 07/310,102 04/02/91 5,005,203 07/175,085 04/02/91 5,005,209 07/213,601 04/02/91 5,005,211 07/412,572 04/02/91 PATENTS WHICH EXPIRED ON April 4, 1999 DUE TO FAILURE TO PAY MAINTENANCE FEES 5,402,541 08/197,640 04/04/95 5,402,544 08/123,601 04/04/95 5,402,545 08/223,233 04/04/95 5,402,548 08/040,927 04/04/95 5,402,549 08/172,411 04/04/95 5,402,551 08/198,259 04/04/95 5,402,552 08/071,404 04/04/95 5,402,559 08/240,179 04/04/95 5,402,567 08/284,824 04/04/95 5,402,574 08/246,756 04/04/95 5,402,575 08/247,871 04/04/95 5,402,579 08/214,438 04/04/95 5,402,584 08/162,647 04/04/95 5,402,589 08/145,389 04/04/95 5,402,590 08/108,007 04/04/95 5,402,592 07/910,047 04/04/95 5,402,595 08/165,420 04/04/95 5,402,597 08/099,839 04/04/95 5,402,600 08/269,763 04/04/95 5,402,605 08/046,598 04/04/95 5,402,608 08/012,450 04/04/95 5,402,610 07/859,910 04/04/95 5,402,615 07/976,083 04/04/95 5,402,626 07/974,426 04/04/95 5,402,629 08/098,318 04/04/95 5,402,657 08/100,286 04/04/95 5,402,658 08/181,074 04/04/95 5,402,659 08/217,615 04/04/95 5,402,666 08/280,780 04/04/95 5,402,673 08/245,482 04/04/95 5,402,689 08/147,828 04/04/95 5,402,697 08/154,110 04/04/95 5,402,701 08/167,170 04/04/95 5,402,702 07/913,198 04/04/95 5,402,704 08/154,501 04/04/95 5,402,711 08/026,129 04/04/95 5,402,714 08/092,869 04/04/95 5,402,721 08/064,751 04/04/95 5,402,732 08/236,705 04/04/95 5,402,733 07/907,834 04/04/95 5,402,735 08/115,952 04/04/95 5,402,736 08/132,880 04/04/95 5,402,737 08/029,606 04/04/95 5,402,742 08/114,092 04/04/95 5,402,743 08/170,521 04/04/95 5,402,745 08/236,858 04/04/95 5,402,748 08/044,029 04/04/95 5,402,749 08/237,511 04/04/95 5,402,753 08/185,516 04/04/95 5,402,763 07/796,459 04/04/95 5,402,780 08/115,864 04/04/95 5,402,783 08/092,557 04/04/95 5,402,786 07/943,551 04/04/95 5,402,792 08/213,135 04/04/95 5,402,795 08/144,993 04/04/95 5,402,806 08/140,285 04/04/95 5,402,807 08/094,445 04/04/95 5,402,809 08/179,907 04/04/95 5,402,810 08/140,510 04/04/95 5,402,811 08/293,188 04/04/95 5,402,816 08/221,780 04/04/95 5,402,828 08/056,484 04/04/95 5,402,830 08/145,959 04/04/95 5,402,834 07/981,456 04/04/95 5,402,836 08/216,502 04/04/95 5,402,838 08/154,418 04/04/95 5,402,841 08/072,393 04/04/95 5,402,844 08/038,444 04/04/95 5,402,846 08/151,662 04/04/95 5,402,848 08/224,256 04/04/95 5,402,849 08/143,707 04/04/95 5,402,858 08/212,013 04/04/95 5,402,860 08/251,243 04/04/95 5,402,869 08/207,036 04/04/95 5,402,872 08/022,969 04/04/95 5,402,878 08/223,860 04/04/95 5,402,899 08/065,838 04/04/95 5,402,902 08/154,491 04/04/95 5,402,904 08/132,436 04/04/95 5,402,907 08/246,767 04/04/95 5,402,911 08/231,167 04/04/95 5,402,913 08/156,564 04/04/95 5,402,914 08/015,027 04/04/95 5,402,915 08/159,722 04/04/95 5,402,916 08/082,831 04/04/95 5,402,921 08/104,854 04/04/95 5,402,925 08/079,606 04/04/95 5,402,928 08/108,055 04/04/95 5,402,932 08/246,262 04/04/95 5,402,941 08/124,391 04/04/95 5,402,944 07/752,495 04/04/95 5,402,945 08/007,573 04/04/95 5,402,947 08/093,461 04/04/95 5,402,948 08/098,455 04/04/95 5,402,954 08/060,159 04/04/95 5,402,968 08/012,361 04/04/95 5,402,973 08/049,103 04/04/95 5,402,975 08/063,621 04/04/95 5,402,977 08/116,915 04/04/95 5,402,978 08/174,415 04/04/95 5,402,984 08/183,707 04/04/95 5,402,992 08/186,022 04/04/95 5,402,995 08/152,478 04/04/95 5,403,000 08/252,924 04/04/95 5,403,003 08/105,460 04/04/95 5,403,005 08/103,205 04/04/95 5,403,009 08/175,302 04/04/95 5,403,013 08/225,611 04/04/95 5,403,016 08/138,427 04/04/95 5,403,017 08/122,832 04/04/95 5,403,018 08/080,626 04/04/95 5,403,027 08/113,780 04/04/95 5,403,028 08/056,406 04/04/95 5,403,029 08/194,880 04/04/95 5,403,035 07/891,830 04/04/95 5,403,042 08/164,323 04/04/95 5,403,043 08/169,760 04/04/95 5,403,050 08/076,857 04/04/95 5,403,053 08/176,839 04/04/95 5,403,056 08/083,586 04/04/95 5,403,060 08/116,977 04/04/95 5,403,061 08/239,128 04/04/95 5,403,063 08/066,391 04/04/95 5,403,066 08/263,941 04/04/95 5,403,068 08/014,410 04/04/95 5,403,079 08/063,335 04/04/95 5,403,082 08/174,755 04/04/95 5,403,088 08/080,454 04/04/95 5,403,090 07/850,313 04/04/95 5,403,093 08/152,432 04/04/95 5,403,100 08/098,393 04/04/95 5,403,103 08/277,790 04/04/95 5,403,104 08/212,211 04/04/95 5,403,105 08/108,231 04/04/95 5,403,106 08/024,949 04/04/95 5,403,109 08/073,690 04/04/95 5,403,119 08/005,580 04/04/95 5,403,121 07/797,670 04/04/95 5,403,125 08/143,825 04/04/95 5,403,126 08/036,761 04/04/95 5,403,127 08/081,318 04/04/95 5,403,128 07/944,832 04/04/95 5,403,132 08/249,940 04/04/95 5,403,135 08/090,829 04/04/95 5,403,139 08/011,985 04/04/95 5,403,147 07/904,346 04/04/95 5,403,149 08/124,544 04/04/95 5,403,150 07/782,715 04/04/95 5,403,151 08/089,049 04/04/95 5,403,153 08/145,899 04/04/95 5,403,154 08/166,927 04/04/95 5,403,160 08/185,049 04/04/95 5,403,173 08/207,770 04/04/95 5,403,175 08/092,787 04/04/95 5,403,178 08/135,558 04/04/95 5,403,179 08/145,884 04/04/95 5,403,185 08/166,607 04/04/95 5,403,190 08/061,850 04/04/95 5,403,197 08/114,266 04/04/95 5,403,202 08/134,166 04/04/95 5,403,209 08/104,019 04/04/95 5,403,219 08/087,669 04/04/95 5,403,230 08/169,228 04/04/95 5,403,233 08/021,170 04/04/95 5,403,239 08/160,776 04/04/95 5,403,243 08/074,555 04/04/95 5,403,248 07/982,697 04/04/95 5,403,251 08/070,989 04/04/95 5,403,253 08/012,192 04/04/95 5,403,258 08/191,092 04/04/95 5,403,262 08/028,326 04/04/95 5,403,269 08/102,249 04/04/95 5,403,270 08/109,426 04/04/95 5,403,274 08/031,584 04/04/95 5,403,289 07/932,535 04/04/95 5,403,299 08/184,220 04/04/95 5,403,303 08/080,416 04/04/95 5,403,315 08/061,352 04/04/95 5,403,322 08/198,465 04/04/95 5,403,324 08/181,040 04/04/95 5,403,341 08/185,549 04/04/95 5,403,344 08/095,798 04/04/95 5,403,350 08/134,084 04/04/95 5,403,361 08/105,472 04/04/95 5,403,378 08/084,412 04/04/95 5,403,394 08/202,248 04/04/95 5,403,400 08/228,866 04/04/95 5,403,407 08/044,413 04/04/95 5,403,410 08/114,978 04/04/95 5,403,421 08/022,655 04/04/95 5,403,423 08/095,656 04/04/95 5,403,425 08/153,647 04/04/95 5,403,427 07/924,614 04/04/95 5,403,432 08/262,153 04/04/95 5,403,440 08/039,105 04/04/95 5,403,452 07/930,552 04/04/95 5,403,466 08/140,642 04/04/95 5,403,468 07/850,454 04/04/95 5,403,474 08/201,194 04/04/95 5,403,485 08/063,321 04/04/95 5,403,491 08/094,492 04/04/95 5,403,502 06/638,794 04/04/95 5,403,507 08/109,719 04/04/95 5,403,508 08/061,593 04/04/95 5,403,522 08/152,273 04/04/95 5,403,526 07/876,195 04/04/95 5,403,527 07/549,876 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