Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 02/20/98 Patent Serial Filing Issue Granted Number Number Date Date Date 4,516,913 06/289,892 08/04/81 05/14/85 02/25/98 4,539,341 06/582,348 02/22/84 09/03/85 02/20/98 4,553,280 06/602,574 04/20/84 11/19/85 02/20/98 4,797,830 07/006,853 01/27/87 01/10/89 02/25/98 4,837,829 07/106,936 10/08/87 06/06/89 02/20/98 4,853,529 07/152,436 02/05/88 08/01/89 02/20/98 4,875,361 07/186,190 07/05/88 10/24/89 02/25/98 4,886,808 07/171,141 03/16/88 12/12/89 02/23/98 4,907,950 07/238,093 08/29/88 03/13/90 02/26/98 4,908,212 07/296,998 01/13/89 03/13/90 02/24/98 4,923,446 07/181,387 04/14/88 05/08/90 02/26/98 5,004,404 07/305,810 02/03/89 04/02/91 02/26/98 5,015,981 07/570,894 08/21/90 05/14/91 02/26/98 5,057,020 06/852,193 04/15/86 10/15/91 02/25/98 5,060,417 07/426,976 10/25/89 10/29/91 02/26/98 5,061,463 07/397,990 08/24/89 10/29/91 02/25/98 5,077,619 07/427,178 10/25/89 12/31/91 02/20/98 5,077,844 07/440,591 11/22/89 01/07/92 02/25/98 5,101,589 07/682,340 04/09/91 04/07/92 02/20/98 5,109,874 07/732,172 07/18/91 05/05/92 02/24/98 5,135,298 07/581,544 09/12/90 08/04/92 02/20/98 5,181,542 07/659,989 02/22/91 01/26/93 02/25/98 5,209,258 07/837,661 02/14/92 05/11/93 02/25/98 5,217,800 07/690,990 06/05/91 06/08/93 02/24/98 5,244,117 07/856,690 03/24/92 09/14/93 02/25/98 5,245,181 07/901,666 06/22/92 09/14/93 02/20/98