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. THE FOLLOWING EXPIRED PATENTS SHOULD HAVE APPEARED IN AN EARLIER EDITION OF THE OFFICIAL GAZETTE PATENTS WHICH EXPIRED ON April 14, 1999 DUE TO FAILURE TO PAY MAINTENANCE FEES Patent Application Issue Number Number Date 4,656,668 06/880,109 04/14/87 4,656,684 06/761,750 04/14/87 4,656,687 06/817,519 04/14/87 4,656,689 06/846,760 04/14/87 4,656,692 06/865,166 04/14/87 4,656,694 06/827,745 04/14/87 4,656,701 06/748,020 04/14/87 4,656,705 06/727,868 04/14/87 4,656,707 06/705,025 04/14/87 4,656,721 06/672,992 04/14/87 4,656,723 06/739,329 04/14/87 4,656,724 06/792,408 04/14/87 4,656,731 06/762,657 04/14/87 4,656,739 06/753,409 04/14/87 4,656,740 06/756,266 04/14/87 4,656,743 06/709,524 04/14/87 4,656,747 06/790,894 04/14/87 4,656,751 06/774,416 04/14/87 4,656,757 06/740,903 04/14/87 4,656,760 06/705,659 04/14/87 4,656,761 06/863,497 04/14/87 4,656,771 06/792,461 04/14/87 4,656,780 06/832,241 04/14/87 4,656,793 06/277,249 04/14/87 4,656,798 06/853,058 04/14/87 4,656,808 06/856,473 04/14/87 4,656,819 06/774,241 04/14/87 4,656,823 06/876,568 04/14/87 4,656,825 06/664,506 04/14/87 4,656,845 06/780,691 04/14/87 4,656,849 06/804,624 04/14/87 4,656,850 06/683,320 04/14/87 4,656,856 06/790,536 04/14/87 4,656,857 06/800,328 04/14/87 4,656,871 06/755,390 04/14/87 4,656,872 06/851,743 04/14/87 4,656,879 06/631,596 04/14/87 4,656,881 06/784,375 04/14/87 4,656,883 06/642,768 04/14/87 4,656,884 06/709,312 04/14/87 4,656,891 06/784,851 04/14/87 4,656,900 06/798,518 04/14/87 4,656,901 06/725,491 04/14/87 4,656,903 06/770,919 04/14/87 4,656,907 06/771,512 04/14/87 4,656,912 06/781,361 04/14/87 4,656,923 06/780,743 04/14/87 4,656,932 06/752,954 04/14/87 4,656,938 06/827,292 04/14/87 4,656,954 06/762,778 04/14/87 4,656,959 06/715,726 04/14/87 4,656,962 06/757,986 04/14/87 4,656,970 06/694,235 04/14/87 4,656,977 06/758,153 04/14/87 4,656,985 06/745,219 04/14/87 4,657,005 06/821,971 04/14/87 4,657,008 06/748,542 04/14/87 4,657,011 06/874,949 04/14/87 4,657,014 06/710,184 04/14/87 4,657,016 06/723,690 04/14/87 4,657,019 06/598,900 04/14/87 4,657,035 06/707,604 04/14/87 4,657,036 06/560,756 04/14/87 4,657,041 06/765,928 04/14/87 4,657,051 06/571,450 04/14/87 4,657,059 06/661,033 04/14/87 4,657,061 06/853,920 04/14/87 4,657,063 06/735,207 04/14/87 4,657,072 06/745,203 04/14/87 4,657,085 06/873,089 04/14/87 4,657,086 06/734,468 04/14/87 4,657,094 06/849,032 04/14/87 4,657,099 06/751,499 04/14/87 4,657,102 06/821,875 04/14/87 4,657,103 06/863,898 04/14/87 4,657,113 06/820,403 04/14/87 4,657,118 06/726,249 04/14/87 4,657,121 06/701,249 04/14/87 4,657,122 06/665,395 04/14/87 4,657,130 06/627,399 04/14/87 4,657,132 06/682,855 04/14/87 4,657,140 06/810,432 04/14/87 4,657,150 06/853,911 04/14/87 4,657,158 06/630,563 04/14/87 4,657,174 06/692,733 04/14/87 4,657,176 06/801,314 04/14/87 4,657,177 06/796,523 04/14/87 4,657,193 06/715,527 04/14/87 4,657,197 06/789,733 04/14/87 4,657,204 06/829,625 04/14/87 4,657,205 06/872,247 04/14/87 4,657,213 06/658,682 04/14/87 4,657,230 06/369,064 04/14/87 4,657,236 06/751,011 04/14/87 4,657,238 06/707,953 04/14/87 4,657,239 06/633,118 04/14/87 4,657,273 06/817,120 04/14/87 4,657,278 06/442,161 04/14/87 4,657,280 06/665,592 04/14/87 4,657,284 06/836,332 04/14/87 4,657,288 06/704,711 04/14/87 4,657,290 06/657,205 04/14/87 4,657,294 06/716,451 04/14/87 4,657,296 06/877,505 04/14/87 4,657,297 06/854,815 04/14/87 4,657,310 06/716,332 04/14/87 4,657,317 06/844,576 04/14/87 4,657,324 06/824,746 04/14/87 4,657,328 06/831,447 04/14/87 4,657,331 06/736,615 04/14/87 4,657,355 06/463,443 04/14/87 4,657,359 06/854,634 04/14/87 4,657,361 06/711,778 04/14/87 4,657,370 06/813,184 04/14/87 4,657,374 06/746,113 04/14/87 4,657,375 06/629,976 04/14/87 4,657,378 06/739,187 04/14/87 4,657,385 06/725,685 04/14/87 4,657,390 06/703,762 04/14/87 4,657,392 06/405,452 04/14/87 4,657,399 06/685,329 04/14/87 4,657,402 06/771,239 04/14/87 4,657,409 06/617,729 04/14/87 4,657,411 06/900,317 04/14/87 4,657,414 06/832,017 04/14/87 4,657,416 06/811,385 04/14/87 4,657,419 06/670,300 04/14/87 4,657,421 06/830,167 04/14/87 4,657,423 06/814,466 04/14/87 4,657,446 06/470,221 04/14/87 4,657,449 06/862,115 04/14/87 4,657,451 06/774,758 04/14/87 4,657,453 06/649,498 04/14/87 4,657,460 06/840,303 04/14/87 4,657,484 06/647,283 04/14/87 4,657,490 06/717,131 04/14/87 4,657,504 06/789,942 04/14/87 4,657,505 06/735,636 04/14/87 4,657,519 06/772,884 04/14/87 4,657,524 06/756,648 04/14/87 4,657,525 06/782,299 04/14/87 4,657,531 06/810,580 04/14/87 4,657,534 06/794,360 04/14/87 4,657,541 06/741,000 04/14/87 4,657,545 06/857,188 04/14/87 4,657,546 06/693,108 04/14/87 4,657,547 06/852,371 04/14/87 4,657,550 06/819,353 04/14/87 4,657,551 06/497,250 04/14/87 4,657,555 06/685,853 04/14/87 4,657,561 06/655,981 04/14/87 4,657,588 06/828,958 04/14/87 4,657,602 06/698,657 04/14/87 4,657,605 06/889,973 04/14/87 4,657,606 06/816,124 04/14/87 4,657,609 06/773,366 04/14/87 4,657,617 06/663,907 04/14/87 4,657,621 06/663,908 04/14/87 4,657,627 06/714,842 04/14/87 4,657,629 06/844,504 04/14/87 4,657,636 06/776,455 04/14/87 4,657,642 06/774,548 04/14/87 4,657,650 06/623,837 04/14/87 4,657,651 06/848,098 04/14/87 4,657,657 06/627,846 04/14/87 4,657,666 06/759,917 04/14/87 4,657,669 06/757,513 04/14/87 4,657,682 06/674,543 04/14/87 4,657,685 06/683,639 04/14/87 4,657,686 06/696,025 04/14/87 4,657,693 06/814,021 04/14/87 4,657,696 06/776,615 04/14/87 4,657,707 06/736,911 04/14/87 4,657,708 06/807,155 04/14/87 4,657,712 06/833,676 04/14/87 4,657,715 06/687,680 04/14/87 4,657,725 06/653,804 04/14/87 4,657,729 06/622,299 04/14/87 4,657,733 06/579,940 04/14/87 4,657,738 06/857,508 04/14/87 4,657,740 06/673,693 04/14/87 4,657,742 06/750,445 04/14/87 4,657,747 06/661,852 04/14/87 4,657,748 06/713,050 04/14/87 4,657,753 06/728,519 04/14/87 4,657,771 06/707,506 04/14/87 4,657,774 06/724,188 04/14/87 4,657,780 06/759,699 04/14/87 4,657,781 06/884,204 04/14/87 4,657,787 06/760,983 04/14/87 4,657,789 06/787,683 04/14/87 4,657,794 06/768,612 04/14/87 4,657,797 06/781,592 04/14/87 4,657,799 06/829,852 04/14/87 4,657,809 06/895,763 04/14/87 4,657,810 06/787,628 04/14/87 4,657,822 06/887,407 04/14/87 4,657,824 06/791,963 04/14/87 4,657,826 06/849,394 04/14/87 4,657,828 06/849,395 04/14/87 4,657,831 06/838,486 04/14/87 4,657,833 06/828,405 04/14/87 4,657,834 06/810,298 04/14/87 4,657,839 06/526,455 04/14/87 4,657,844 06/734,357 04/14/87 4,657,854 06/491,713 04/14/87 4,657,871 06/765,540 04/14/87 4,657,873 06/635,224 04/14/87 4,657,876 06/830,415 04/14/87 4,657,882 06/813,603 04/14/87 4,657,884 06/790,726 04/14/87 4,657,885 06/754,004 04/14/87 4,657,886 06/812,021 04/14/87 4,657,891 06/706,381 04/14/87 4,657,892 06/740,066 04/14/87 4,657,895 06/772,477 04/14/87 4,657,899 06/849,696 04/14/87 4,657,901 06/648,276 04/14/87 4,657,903 06/364,089 04/14/87 4,657,907 06/722,710 04/14/87 4,657,914 06/488,168 04/14/87 4,657,931 06/734,296 04/14/87 4,657,934 06/711,132 04/14/87 4,657,938 06/769,814 04/14/87 4,657,943 06/771,583 04/14/87 4,657,949 06/805,003 04/14/87 4,657,956 06/775,555 04/14/87 4,657,966 06/744,476 04/14/87 4,657,972 06/845,349 04/14/87 4,657,974 06/782,569 04/14/87 4,657,976 06/516,572 04/14/87 4,657,987 06/749,712 04/14/87 4,657,991 06/787,328 04/14/87 4,657,992 06/830,220 04/14/87 4,658,006 06/846,242 04/14/87 4,658,009 06/839,189 04/14/87 4,658,011 06/765,634 04/14/87 4,658,017 06/579,994 04/14/87 4,658,023 06/589,281 04/14/87 4,658,035 06/754,852 04/14/87 4,658,042 06/752,914 04/14/87 4,658,043 06/745,653 04/14/87 4,658,048 06/741,890 04/14/87 4,658,056 06/370,928 04/14/87 4,658,057 06/576,284 04/14/87 4,658,060 06/371,622 04/14/87 4,658,070 06/854,103 04/14/87 4,658,076 06/713,673 04/14/87 4,658,079 06/808,973 04/14/87 4,658,081 06/758,921 04/14/87 4,658,095 06/723,432 04/14/87 4,658,098 06/865,754 04/14/87 4,658,108 06/777,314 04/14/87 4,658,113 06/667,551 04/14/87 4,658,131 06/470,234 04/14/87 4,658,134 06/774,894 04/14/87 4,658,137 06/662,001 04/14/87 4,658,146 06/709,267 04/14/87 4,658,153 06/864,737 04/14/87 4,658,157 06/739,819 04/14/87 4,658,180 06/695,986 04/14/87 4,658,182 06/607,766 04/14/87 4,658,198 06/766,189 04/14/87 4,658,199 06/671,497 04/14/87 4,658,201 06/814,938 04/14/87 4,658,202 06/841,156 04/14/87 4,658,207 06/717,050 04/14/87 4,658,214 06/454,045 04/14/87 4,658,217 06/654,897 04/14/87 4,658,220 06/773,266 04/14/87 4,658,230 06/846,134 04/14/87 4,658,246 06/640,624 04/14/87 4,658,256 06/775,381 04/14/87 4,658,269 06/869,647 04/14/87 4,658,277 06/611,456 04/14/87 4,658,281 06/627,659 04/14/87 4,658,283 06/757,842 04/14/87 4,658,285 06/782,128 04/14/87 4,658,301 06/841,017 04/14/87 4,658,306 06/848,329 04/14/87 4,658,314 06/683,879 04/14/87 4,658,315 06/659,564 04/14/87 4,658,324 06/750,330 04/14/87 4,658,325 06/725,471 04/14/87 4,658,329 06/710,390 04/14/87 4,658,330 06/773,756 04/14/87 4,658,331 06/773,757 04/14/87 4,658,340 06/786,312 04/14/87 4,658,346 06/807,884 04/14/87 4,658,347 06/691,085 04/14/87 4,658,352 06/616,137 04/14/87 4,658,353 06/673,256 04/14/87 4,658,362 06/685,534 04/14/87 4,658,368 06/729,138 04/14/87 4,658,369 06/474,578 04/14/87 4,658,373 06/638,000 04/14/87 4,658,381 06/762,362 04/14/87 4,658,382 06/630,507 04/14/87 4,658,391 06/662,149 04/14/87 4,658,395 06/680,206 04/14/87 4,658,402 06/658,007 04/14/87 4,658,406 06/764,368 04/14/87 4,658,407 06/684,138 04/14/87 4,658,415 06/713,854 04/14/87 4,658,428 06/755,874 04/14/87 4,658,434 06/867,961 04/14/87 4,658,440 06/635,093 04/14/87 PATENTS WHICH EXPIRED ON APRIL 9, 1999 DUE TO FAILURE TO PAY MAINTENANCE FEES 5,005,214 07/442,250 04/09/91 5,005,216 07/559,681 04/09/91 5,005,221 07/399,245 04/09/91 5,005,226 07/522,010 04/09/91 5,005,230 07/502,448 04/09/91 5,005,231 07/413,230 04/09/91 5,005,233 07/406,091 04/09/91 5,005,238 07/575,190 04/09/91 5,005,242 07/475,687 04/09/91 5,005,247 07/501,458 04/09/91 5,005,248 07/220,249 04/09/91 5,005,250 07/361,449 04/09/91 5,005,254 07/405,900 04/09/91 5,005,256 07/589,570 04/09/91 5,005,263 07/426,305 04/09/91 5,005,264 07/570,975 04/09/91 5,005,267 07/413,539 04/09/91 5,005,268 07/448,524 04/09/91 5,005,269 07/513,822 04/09/91 5,005,270 07/477,552 04/09/91 5,005,273 07/392,306 04/09/91 5,005,285 07/102,250 04/09/91 5,005,301 07/497,320 04/09/91 5,005,302 07/279,067 04/09/91 5,005,303 07/447,815 04/09/91 5,005,307 07/458,582 04/09/91 5,005,309 07/398,778 04/09/91 5,005,311 07/471,974 04/09/91 5,005,317 07/372,876 04/09/91 5,005,320 07/502,010 04/09/91 5,005,323 07/353,694 04/09/91 5,005,327 07/428,887 04/09/91 5,005,328 07/408,121 04/09/91 5,005,338 07/467,626 04/09/91 5,005,340 07/454,153 04/09/91 5,005,344 07/461,650 04/09/91 5,005,345 07/489,959 04/09/91 5,005,347 07/463,726 04/09/91 5,005,348 07/539,305 04/09/91 5,005,349 07/413,741 04/09/91 5,005,354 07/336,274 04/09/91 5,005,356 07/054,582 04/09/91 5,005,361 07/171,808 04/09/91 5,005,366 07/502,168 04/09/91 5,005,368 07/476,257 04/09/91 5,005,372 07/515,970 04/09/91 5,005,374 07/515,226 04/09/91 5,005,379 07/375,825 04/09/91 5,005,386 07/543,334 04/09/91 5,005,390 07/516,572 04/09/91 5,005,398 07/531,920 04/09/91 5,005,403 07/385,324 04/09/91 5,005,405 07/464,689 04/09/91 5,005,409 07/477,050 04/09/91 5,005,410 07/453,915 04/09/91 5,005,412 07/574,522 04/09/91 5,005,417 07/423,723 04/09/91 5,005,419 07/207,532 04/09/91 5,005,420 07/381,684 04/09/91 5,005,422 07/407,138 04/09/91 5,005,438 07/542,973 04/09/91 5,005,442 07/281,352 04/09/91 5,005,443 07/384,694 04/09/91 5,005,449 07/480,098 04/09/91 5,005,458 07/411,143 04/09/91 5,005,463 07/048,318 04/09/91 5,005,464 07/327,342 04/09/91 5,005,465 07/313,922 04/09/91 5,005,470 07/434,779 04/09/91 5,005,479 07/413,172 04/09/91 5,005,480 07/444,331 04/09/91 5,005,482 06/612,286 04/09/91 5,005,484 07/068,480 04/09/91 5,005,495 07/442,133 04/09/91 5,005,499 07/439,764 04/09/91 5,005,513 07/483,630 04/09/91 5,005,521 07/552,104 04/09/91 5,005,522 07/534,443 04/09/91 5,005,530 07/535,408 04/09/91 5,005,533 07/442,069 04/09/91 5,005,539 07/522,320 04/09/91 5,005,540 07/541,711 04/09/91 5,005,542 07/459,465 04/09/91 5,005,547 07/373,946 04/09/91 5,005,549 07/559,384 04/09/91 5,005,559 07/386,343 04/09/91 5,005,563 07/539,541 04/09/91 5,005,571 07/276,293 04/09/91 5,005,579 07/155,149 04/09/91 5,005,589 07/497,610 04/09/91 5,005,593 07/262,770 04/09/91 5,005,594 07/393,830 04/09/91 5,005,599 07/522,685 04/09/91 5,005,601 07/431,452 04/09/91 5,005,606 07/062,411 04/09/91 5,005,609 07/357,560 04/09/91 5,005,618 07/315,711 04/09/91 5,005,645 07/446,835 04/09/91 5,005,649 07/486,144 04/09/91 5,005,657 07/420,376 04/09/91 5,005,663 07/263,212 04/09/91 5,005,671 07/378,658 04/09/91 5,005,672 07/493,591 04/09/91 5,005,673 07/413,028 04/09/91 5,005,679 07/475,679 04/09/91 5,005,680 07/418,056 04/09/91 5,005,682 07/543,159 04/09/91 5,005,687 07/449,190 04/09/91 5,005,689 07/549,637 04/09/91 5,005,690 07/359,891 04/09/91 5,005,699 07/280,364 04/09/91 5,005,701 07/582,112 04/09/91 5,005,704 06/870,418 04/09/91 5,005,708 07/398,656 04/09/91 5,005,710 07/484,556 04/09/91 5,005,726 07/431,760 04/09/91 5,005,728 07/392,891 04/09/91 5,005,732 07/503,762 04/09/91 5,005,733 07/337,151 04/09/91 5,005,734 07/327,659 04/09/91 5,005,745 07/465,977 04/09/91 5,005,748 07/443,210 04/09/91 5,005,751 07/437,005 04/09/91 5,005,758 07/117,452 04/09/91 5,005,759 07/477,823 04/09/91 5,005,762 07/216,380 04/09/91 5,005,764 07/477,629 04/09/91 5,005,771 07/470,076 04/09/91 5,005,776 07/486,383 04/09/91 5,005,784 07/428,766 04/09/91 5,005,793 07/510,579 04/09/91 5,005,800 07/408,619 04/09/91 5,005,810 07/215,305 04/09/91 5,005,812 07/412,015 04/09/91 5,005,821 07/517,797 04/09/91 5,005,824 07/541,337 04/09/91 5,005,829 07/436,168 04/09/91 5,005,841 07/405,568 04/09/91 5,005,843 07/458,475 04/09/91 5,005,848 07/411,647 04/09/91 5,005,853 06/832,781 04/09/91 5,005,854 07/271,916 04/09/91 5,005,856 07/377,975 04/09/91 5,005,863 07/436,275 04/09/91 5,005,871 07/470,104 04/09/91 5,005,873 07/133,034 04/09/91 5,005,875 07/219,278 04/09/91 5,005,877 07/446,948 04/09/91 5,005,879 07/389,533 04/09/91 5,005,887 07/506,160 04/09/91 5,005,893 07/429,030 04/09/91 5,005,896 07/468,146 04/09/91 5,005,915 07/481,414 04/09/91 5,005,921 07/452,117 04/09/91 5,005,922 07/411,885 04/09/91 5,005,934 07/378,145 04/09/91 5,005,941 07/403,438 04/09/91 5,005,942 07/415,684 04/09/91 5,005,943 07/448,112 04/09/91 5,005,946 07/334,593 04/09/91 5,005,947 07/413,398 04/09/91 5,005,950 07/366,587 04/09/91 5,005,951 07/204,144 04/09/91 5,005,952 07/264,952 04/09/91 5,005,959 07/357,642 04/09/91 5,005,966 07/201,537 04/09/91 5,005,969 07/330,291 04/09/91 5,005,972 07/469,343 04/09/91 5,005,974 07/454,051 04/09/91 5,005,975 07/239,118 04/09/91 5,005,979 07/387,623 04/09/91 5,005,984 07/572,073 04/09/91 5,005,985 07/348,070 04/09/91 5,005,988 07/500,404 04/09/91 5,006,000 07/469,041 04/09/91 5,006,011 07/541,198 04/09/91 5,006,012 07/321,591 04/09/91 5,006,028 07/525,459 04/09/91 5,006,036 07/291,085 04/09/91 5,006,039 07/507,676 04/09/91 5,006,042 07/463,346 04/09/91 5,006,052 07/458,510 04/09/91 5,006,056 07/548,441 04/09/91 5,006,059 07/483,251 04/09/91 5,006,060 07/531,732 04/09/91 5,006,061 07/481,644 04/09/91 5,006,064 07/458,320 04/09/91 5,006,068 07/574,486 04/09/91 5,006,071 07/191,413 04/09/91 5,006,072 07/372,690 04/09/91 5,006,086 07/495,624 04/09/91 5,006,092 07/529,010 04/09/91 5,006,094 07/552,295 04/09/91 5,006,097 07/543,095 04/09/91 5,006,102 07/300,404 04/09/91 5,006,103 07/463,694 04/09/91 5,006,111 07/220,990 04/09/91 5,006,136 07/453,578 04/09/91 5,006,141 07/474,200 04/09/91 5,006,143 07/596,414 04/09/91 5,006,153 07/443,294 04/09/91 5,006,156 07/439,714 04/09/91 5,006,160 07/375,587 04/09/91 5,006,161 07/162,534 04/09/91 5,006,163 07/348,383 04/09/91 5,006,166 07/260,193 04/09/91 5,006,181 07/294,666 04/09/91 5,006,182 07/438,653 04/09/91 5,006,184 07/431,610 04/09/91 5,006,185 07/139,232 04/09/91 5,006,186 07/353,096 04/09/91 5,006,190 07/474,894 04/09/91 5,006,191 07/367,891 04/09/91 5,006,194 07/281,607 04/09/91 5,006,195 07/407,488 04/09/91 5,006,199 07/541,538 04/09/91 5,006,200 07/519,741 04/09/91 5,006,202 07/533,204 04/09/91 5,006,204 07/264,569 04/09/91 5,006,205 07/297,181 04/09/91 5,006,207 07/386,292 04/09/91 5,006,208 07/574,359 04/09/91 5,006,214 07/475,327 04/09/91 5,006,215 07/386,875 04/09/91 5,006,223 07/414,352 04/09/91 5,006,228 07/464,929 04/09/91 5,006,240 07/475,765 04/09/91 5,006,249 07/290,402 04/09/91 5,006,253 07/331,476 04/09/91 5,006,256 07/565,085 04/09/91 5,006,259 07/315,966 04/09/91 5,006,260 07/368,343 04/09/91 5,006,262 07/440,126 04/09/91 5,006,263 07/578,462 04/09/91 5,006,264 07/219,294 04/09/91 5,006,268 07/544,898 04/09/91 5,006,273 07/224,518 04/09/91 5,006,286 06/845,914 04/09/91 5,006,287 07/478,392 04/09/91 5,006,288 07/420,382 04/09/91 5,006,290 07/254,175 04/09/91 5,006,298 07/545,207 04/09/91 5,006,305 06/617,230 04/09/91 5,006,316 07/194,402 04/09/91 5,006,321 07/293,268 04/09/91 5,006,324 06/569,611 04/09/91 5,006,349 07/210,214 04/09/91 5,006,351 07/372,288 04/09/91 5,006,354 07/512,708 04/09/91 5,006,355 07/561,096 04/09/91 5,006,371 07/490,184 04/09/91 5,006,374 07/354,354 04/09/91 5,006,386 07/365,174 04/09/91 5,006,395 07/193,278 04/09/91 5,006,397 07/472,310 04/09/91 5,006,403 07/533,381 04/09/91 5,006,407 07/307,451 04/09/91 5,006,410 07/221,898 04/09/91 5,006,412 07/385,505 04/09/91 5,006,413 07/511,179 04/09/91 5,006,414 07/284,940 04/09/91 5,006,418 07/398,891 04/09/91 5,006,419 07/485,044 04/09/91 5,006,420 07/531,503 04/09/91 5,006,421 07/257,074 04/09/91 5,006,425 07/414,518 04/09/91 5,006,427 07/462,406 04/09/91 5,006,429 07/401,200 04/09/91 5,006,434 07/351,361 04/09/91 5,006,436 07/247,052 04/09/91 5,006,437 07/400,494 04/09/91 5,006,440 07/586,515 04/09/91 5,006,447 07/337,403 04/09/91 5,006,457 07/434,927 04/09/91 5,006,459 07/020,819 04/09/91 5,006,463 07/100,873 04/09/91 5,006,467 07/213,251 04/09/91 5,006,478 07/556,480 04/09/91 5,006,484 07/472,765 04/09/91 5,006,488 07/417,935 04/09/91 5,006,495 07/488,471 04/09/91 5,006,508 07/306,539 04/09/91 5,006,515 07/262,635 04/09/91 5,006,516 07/345,276 04/09/91 5,006,519 07/551,707 04/09/91 5,006,520 07/373,296 04/09/91 5,006,525 07/585,752 04/09/91 5,006,529 07/541,231 04/09/91 5,006,538 07/264,865 04/09/91 5,006,545 07/391,780 04/09/91 5,006,546 07/498,628 04/09/91 5,006,548 07/393,068 04/09/91 5,006,554 07/358,739 04/09/91 5,006,559 07/328,842 04/09/91 5,006,565 07/516,020 04/09/91 5,006,569 07/394,548 04/09/91 5,006,571 07/455,703 04/09/91 5,006,573 06/917,950 04/09/91 5,006,578 07/497,624 04/09/91 5,006,581 07/130,907 04/09/91 5,006,582 07/332,262 04/09/91 5,006,592 07/418,632 04/09/91 5,006,593 07/207,534 04/09/91 5,006,608 07/241,620 04/09/91 5,006,609 07/462,705 04/09/91 5,006,610 07/350,507 04/09/91 5,006,617 07/248,348 04/09/91 5,006,618 07/473,076 04/09/91 5,006,620 07/400,350 04/09/91 5,006,637 07/364,387 04/09/91 5,006,639 07/295,796 04/09/91 5,006,648 07/076,445 04/09/91 5,006,651 07/410,779 04/09/91 5,006,658 07/125,404 04/09/91 5,006,662 07/423,721 04/09/91 5,006,663 07/433,597 04/09/91 5,006,670 07/438,008 04/09/91 5,006,671 07/247,898 04/09/91 5,006,676 07/457,138 04/09/91 5,006,682 07/356,091 04/09/91 5,006,683 07/491,430 04/09/91 5,006,689 07/247,375 04/09/91 5,006,694 07/321,226 04/09/91 5,006,701 07/362,394 04/09/91 5,006,719 07/385,738 04/09/91 5,006,722 07/487,570 04/09/91 5,006,729 07/513,743 04/09/91 5,006,730 07/586,321 04/09/91 5,006,731 07/416,116 04/09/91 5,006,734 07/472,986 04/09/91 5,006,736 07/365,403 04/09/91 5,006,737 07/341,881 04/09/91 5,006,739 07/567,703 04/09/91 5,006,754 06/851,282 04/09/91 5,006,755 07/475,459 04/09/91 5,006,756 07/401,888 04/09/91 5,006,759 07/191,633 04/09/91 5,006,765 07/317,034 04/09/91 5,006,766 07/393,130 04/09/91 5,006,767 07/487,327 04/09/91 5,006,775 07/258,826 04/09/91 5,006,779 07/156,243 04/09/91 5,006,780 07/336,785 04/09/91 5,006,783 07/421,903 04/09/91 5,006,784 07/458,735 04/09/91 5,006,789 07/491,785 04/09/91 5,006,795 06/878,015 04/09/91 5,006,796 07/263,232 04/09/91 5,006,798 07/476,799 04/09/91 5,006,802 07/451,154 04/09/91 5,006,811 07/472,972 04/09/91 5,006,814 07/420,111 04/09/91 5,006,820 07/374,791 04/09/91 5,006,821 07/407,343 04/09/91 5,006,825 07/262,482 04/09/91 5,006,828 07/376,044 04/09/91 5,006,839 07/216,388 04/09/91 5,006,849 07/385,859 04/09/91 5,006,850 07/182,380 04/09/91 5,006,854 07/311,237 04/09/91 5,006,857 07/391,478 04/09/91 5,006,860 07/345,218 04/09/91 5,006,861 07/340,634 04/09/91 5,006,872 07/446,633 04/09/91 5,006,881 07/419,751 04/09/91 5,006,885 07/579,599 04/09/91 5,006,889 07/528,431 04/09/91 5,006,911 07/415,833 04/09/91 5,006,914 07/278,964 04/09/91 5,006,916 07/082,718 04/09/91 5,006,917 07/398,799 04/09/91 5,006,918 07/383,516 04/09/91 5,006,922 07/480,386 04/09/91 5,006,924 07/459,089 04/09/91 5,006,931 07/482,252 04/09/91 5,006,945 07/482,626 04/09/91 5,006,948 07/243,688 04/09/91 5,006,952 07/435,476 04/09/91 5,006,953 07/384,689 04/09/91 5,006,963 07/451,639 04/09/91 5,006,966 07/400,426 04/09/91 5,006,970 07/458,953 04/09/91 5,006,972 07/579,201 04/09/91 5,006,977 07/381,409 04/09/91 5,006,979 06/888,409 04/09/91 5,006,984 07/024,354 04/09/91 5,006,986 07/279,955 04/09/91 5,006,996 07/326,130 04/09/91 5,007,001 07/469,340 04/09/91 5,007,004 07/468,878 04/09/91 5,007,006 07/264,968 04/09/91 5,007,009 07/272,899 04/09/91 5,007,016 07/287,429 04/09/91 5,007,020 07/519,839 04/09/91 5,007,022 07/434,617 04/09/91 5,007,025 07/330,917 04/09/91 5,007,031 07/292,388 04/09/91 5,007,044 07/382,413 04/09/91 5,007,050 07/031,003 04/09/91 5,007,055 07/314,792 04/09/91 5,007,057 07/298,501 04/09/91 5,007,061 07/386,266 04/09/91 5,007,063 07/478,856 04/09/91 5,007,066 07/464,001 04/09/91 5,007,073 07/454,029 04/09/91 PATENTS WHICH EXPIRED ON APRIL 11, 1999 DUE TO FAILURE TO PAY MAINTENANCE FEES 5,404,590 08/130,653 04/11/95 5,404,592 08/153,919 04/11/95 5,404,593 08/019,091 04/11/95 5,404,594 08/042,538 04/11/95 5,404,595 08/156,835 04/11/95 5,404,604 07/897,043 04/11/95 5,404,610 08/243,938 04/11/95 5,404,614 08/177,918 04/11/95 5,404,616 08/130,110 04/11/95 5,404,617 08/163,131 04/11/95 5,404,621 08/209,433 04/11/95 5,404,622 08/165,891 04/11/95 5,404,623 08/080,077 04/11/95 5,404,627 08/124,765 04/11/95 5,404,630 08/240,145 04/11/95 5,404,637 08/054,960 04/11/95 5,404,639 08/271,322 04/11/95 5,404,646 08/163,072 04/11/95 5,404,647 08/174,349 04/11/95 5,404,652 08/275,390 04/11/95 5,404,655 08/060,255 04/11/95 5,404,659 08/261,877 04/11/95 5,404,660 07/962,219 04/11/95 5,404,664 08/170,759 04/11/95 5,404,669 08/264,895 04/11/95 5,404,670 08/257,502 04/11/95 5,404,672 08/177,319 04/11/95 5,404,684 08/092,603 04/11/95 5,404,688 08/145,111 04/11/95 5,404,697 08/128,302 04/11/95 5,404,702 08/238,676 04/11/95 5,404,733 08/088,369 04/11/95 5,404,734 08/020,197 04/11/95 5,404,759 08/187,330 04/11/95 5,404,760 08/141,755 04/11/95 5,404,764 08/192,350 04/11/95 5,404,767 08/115,632 04/11/95 5,404,768 08/047,428 04/11/95 5,404,769 08/245,532 04/11/95 5,404,771 08/066,433 04/11/95 5,404,772 08/199,983 04/11/95 5,404,790 08/184,174 04/11/95 5,404,795 08/219,081 04/11/95 5,404,797 08/277,834 04/11/95 5,404,800 08/239,343 04/11/95 5,404,802 08/271,065 04/11/95 5,404,803 07/991,976 04/11/95 5,404,809 08/199,657 04/11/95 5,404,817 08/107,591 04/11/95 5,404,818 08/057,159 04/11/95 5,404,821 08/205,368 04/11/95 5,404,822 08/062,548 04/11/95 5,404,823 08/111,135 04/11/95 5,404,827 08/052,135 04/11/95 5,404,828 08/045,902 04/11/95 5,404,835 08/335,956 04/11/95 5,404,836 07/434,986 04/11/95 5,404,839 08/181,338 04/11/95 5,404,863 08/001,023 04/11/95 5,404,872 08/084,486 04/11/95 5,404,890 08/076,711 04/11/95 5,404,891 08/219,092 04/11/95 5,404,892 08/197,735 04/11/95 5,404,896 08/263,044 04/11/95 5,404,899 08/273,420 04/11/95 5,404,902 08/174,612 04/11/95 5,404,910 08/122,429 04/11/95 5,404,916 08/123,646 04/11/95 5,404,920 08/136,012 04/11/95 5,404,931 08/155,199 04/11/95 5,404,935 07/987,635 04/11/95 5,404,941 08/104,972 04/11/95 5,404,950 08/035,101 04/11/95 5,404,955 08/101,713 04/11/95 5,404,957 08/138,913 04/11/95 5,404,958 08/139,965 04/11/95 5,404,959 08/237,444 04/11/95 5,404,968 08/194,058 04/11/95 5,404,985 08/049,013 04/11/95 5,404,988 08/140,041 04/11/95 5,404,993 08/179,210 04/11/95 5,405,000 08/203,161 04/11/95 5,405,002 08/174,775 04/11/95 5,405,004 08/092,572 04/11/95 5,405,005 08/033,614 04/11/95 5,405,009 08/288,971 04/11/95 5,405,010 08/255,654 04/11/95 5,405,011 08/240,955 04/11/95 5,405,015 08/105,299 04/11/95 5,405,016 08/166,441 04/11/95 5,405,031 08/153,323 04/11/95 5,405,037 08/209,467 04/11/95 5,405,038 08/160,680 04/11/95 5,405,046 07/965,396 04/11/95 5,405,056 08/165,635 04/11/95 5,405,064 08/144,633 04/11/95 5,405,065 08/164,718 04/11/95 5,405,066 08/131,778 04/11/95 5,405,067 08/023,895 04/11/95 5,405,077 08/231,920 04/11/95 5,405,090 08/094,008 04/11/95 5,405,091 08/101,872 04/11/95 5,405,093 08/164,907 04/11/95 5,405,105 08/068,156 04/11/95 5,405,109 08/155,088 04/11/95 5,405,112 08/179,117 04/11/95 5,405,113 08/185,009 04/11/95 5,405,116 08/229,740 04/11/95 5,405,117 08/147,323 04/11/95 5,405,120 08/059,828 04/11/95 5,405,121 08/235,274 04/11/95 5,405,125 08/241,488 04/11/95 5,405,127 08/048,125 04/11/95 5,405,133 08/231,930 04/11/95 5,405,134 08/091,962 04/11/95 5,405,138 08/095,070 04/11/95 5,405,139 08/241,295 04/11/95 5,405,140 08/313,913 04/11/95 5,405,141 08/151,834 04/11/95 5,405,142 07/995,505 04/11/95 5,405,143 07/855,628 04/11/95 5,405,145 08/288,026 04/11/95 5,405,146 08/260,302 04/11/95 5,405,150 08/270,744 04/11/95 5,405,157 08/116,391 04/11/95 5,405,158 08/126,853 04/11/95 5,405,165 08/141,696 04/11/95 5,405,169 08/100,695 04/11/95 5,405,177 08/176,222 04/11/95 5,405,179 08/207,314 04/11/95 5,405,187 08/050,211 04/11/95 5,405,188 08/140,249 04/11/95 5,405,204 08/094,109 04/11/95 5,405,205 08/278,556 04/11/95 5,405,211 08/049,502 04/11/95 5,405,219 08/245,380 04/11/95 5,405,221 08/237,380 04/11/95 5,405,236 08/202,407 04/11/95 5,405,238 08/047,945 04/11/95 5,405,239 07/883,121 04/11/95 5,405,244 08/169,436 04/11/95 5,405,245 08/158,583 04/11/95 5,405,246 08/129,650 04/11/95 5,405,251 07/950,090 04/11/95 5,405,252 08/238,158 04/11/95 5,405,256 08/091,306 04/11/95 5,405,257 07/979,725 04/11/95 5,405,262 08/255,914 04/11/95 5,405,263 08/124,143 04/11/95 5,405,277 08/209,707 04/11/95 5,405,281 08/197,301 04/11/95 5,405,284 08/030,430 04/11/95 5,405,290 08/280,512 04/11/95 5,405,292 08/169,896 04/11/95 5,405,306 08/201,904 04/11/95 5,405,312 07/902,061 04/11/95 5,405,316 08/153,517 04/11/95 5,405,319 08/176,097 04/11/95 5,405,326 08/112,447 04/11/95 5,405,336 08/102,303 04/11/95 5,405,352 07/682,345 04/11/95 5,405,355 08/119,711 04/11/95 5,405,359 08/235,345 04/11/95 5,405,368 07/964,210 04/11/95 5,405,382 08/117,094 04/11/95 5,405,394 08/079,208 04/11/95 5,405,400 08/132,296 04/11/95 5,405,401 08/132,300 04/11/95 5,405,403 08/210,546 04/11/95 5,405,413 08/082,207 04/11/95 5,405,414 08/117,049 04/11/95 5,405,415 08/264,592 04/11/95 5,405,423 08/137,600 04/11/95 5,405,436 08/126,969 04/11/95 5,405,450 08/156,102 04/11/95 5,405,452 08/017,471 04/11/95 5,405,453 08/149,052 04/11/95 5,405,460 08/146,056 04/11/95 5,405,464 08/087,938 04/11/95 5,405,469 08/138,122 04/11/95 5,405,471 07/990,981 04/11/95 5,405,473 08/215,290 04/11/95 5,405,487 08/115,433 04/11/95 5,405,491 08/205,449 04/11/95 5,405,506 08/075,025 04/11/95 5,405,509 08/084,065 04/11/95 5,405,522 08/209,551 04/11/95 5,405,530 08/181,550 04/11/95 5,405,532 08/236,761 04/11/95 5,405,533 08/044,277 04/11/95 5,405,537 08/038,731 04/11/95 5,405,542 07/634,934 04/11/95 5,405,552 08/103,916 04/11/95 5,405,555 08/214,748 04/11/95 5,405,579 07/916,788 04/11/95 5,405,582 08/268,280 04/11/95 5,405,584 07/863,422 04/11/95 5,405,603 08/177,068 04/11/95 5,405,625 08/096,627 04/11/95 5,405,626 07/848,391 04/11/95 5,405,627 07/890,115 04/11/95 5,405,639 07/980,857 04/11/95 5,405,640 08/196,531 04/11/95 5,405,641 08/156,676 04/11/95 5,405,656 08/161,063 04/11/95 5,405,657 08/146,777 04/11/95 5,405,661 07/930,971 04/11/95 5,405,664 08/019,396 04/11/95 5,405,681 07/989,513 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