Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 04/21/00 Patent Serial Filing Issue Granted Number Number Date Date Date 4,658,431 06/634,076 07/25/84 04/14/87 04/21/00 4,673,766 06/856,595 04/25/86 06/16/87 04/24/00 4,694,565 06/856,304 04/28/86 09/22/87 04/27/00 4,706,198 06/707,859 03/04/85 11/10/87 04/27/00 4,707,251 06/746,866 06/20/85 11/17/87 04/25/00 4,709,098 07/010,902 02/04/87 11/24/87 04/24/00 4,901,606 07/208,722 06/20/88 02/20/90 04/27/00 4,948,086 07/436,074 11/13/89 08/14/90 04/24/00 4,957,019 07/339,821 12/22/88 09/18/90 04/27/00 4,982,166 07/317,678 03/01/89 01/01/91 04/24/00 4,987,813 07/462,597 01/09/90 01/29/91 04/24/00 4,995,410 07/462,644 01/09/90 02/26/91 04/27/00 5,014,462 07/458,968 12/29/89 05/14/91 04/25/00 5,059,909 07/328,254 02/27/89 10/22/91 04/27/00 5,064,725 07/645,810 01/25/91 11/12/91 04/27/00 5,086,232 07/547,467 06/29/90 02/04/92 04/27/00 5,337,539 07/935,155 08/25/92 08/16/94 04/27/00 5,341,890 08/002,295 01/08/93 08/30/94 04/24/00 5,370,343 08/026,373 03/04/93 12/06/94 04/27/00 5,381,631 08/048,659 04/15/93 01/17/95 04/26/00 5,398,984 08/020,707 02/22/93 03/21/95 04/27/00 5,405,368 07/964,210 10/20/92 04/11/95 04/24/00 5,416,173 08/275,454 07/15/94 05/16/95 04/25/00 5,419,677 08/053,430 04/28/93 05/30/95 04/26/00 5,437,221 08/256,730 10/12/94 08/01/95 04/25/00 5,450,899 08/108,699 12/16/93 09/19/95 04/27/00 5,454,015 08/283,727 08/01/94 09/26/95 04/25/00 5,460,649 08/254,221 06/06/94 10/24/95 04/25/00 5,471,443 08/301,040 09/06/94 11/28/95 04/27/00 5,476,771 08/021,033 02/22/93 12/19/95 04/24/00 5,482,015 08/274,395 07/11/94 01/09/96 04/25/00