Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 02/04/00 Patent Serial Filing Issue Granted Number Number Date Date Date 4,558,851 06/389,363 06/16/82 12/17/85 02/09/00 4,638,852 06/766,835 08/16/85 01/27/87 02/09/00 4,680,186 06/810,078 12/17/85 07/14/87 02/07/00 4,680,187 06/810,075 12/17/85 07/14/87 02/07/00 4,685,446 06/582,118 02/21/84 08/11/87 02/04/00 4,744,180 06/899,069 08/20/86 05/17/88 02/08/00 4,895,163 07/197,995 05/24/88 01/23/90 02/08/00 4,962,425 07/263,023 10/27/88 10/09/90 02/07/00 5,003,987 07/241,354 09/08/88 04/02/91 02/07/00 5,013,029 07/377,415 07/10/89 05/07/91 02/07/00 5,015,111 07/485,229 02/26/90 05/14/91 02/10/00 5,032,352 07/585,885 09/21/90 07/16/91 02/07/00 5,110,593 07/612,567 11/13/90 05/05/92 02/07/00 5,280,360 07/901,788 06/22/92 01/18/94 02/07/00 5,283,190 07/762,246 09/19/91 02/01/94 02/07/00 5,312,752 07/784,626 11/01/91 05/17/94 02/07/00 5,363,086 07/771,648 10/04/91 11/08/94 02/07/00 5,381,445 08/055,473 05/03/93 01/10/95 02/07/00 5,411,755 08/182,601 01/26/94 05/02/95 02/08/00 5,427,687 07/960,459 12/15/92 06/27/95 02/08/00 5,430,434 08/022,004 02/24/93 07/04/95 02/08/00 5,435,308 07/914,279 07/16/92 07/25/95 02/07/00 5,444,927 08/206,932 03/07/94 08/29/95 02/10/00 5,466,354 08/309,258 09/20/94 11/14/95 02/07/00 5,477,563 08/140,705 10/21/93 12/26/95 02/07/00