Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 11/21/97 Patent Number Serial Number Filing Date Issue Date Granted Date 4,714,615 06/850,569 04/11/86 12/22/87 11/21/97 4,744,069 06/829,066 02/13/86 05/10/88 11/25/97 4,793,133 06/546,567 10/28/83 12/27/88 11/24/97 4,841,999 07/087,916 08/21/87 06/27/89 11/21/97 4,845,927 07/143,538 01/13/88 07/11/89 11/25/97 5,046,763 07/473,571 02/01/90 09/10/91 11/24/97 5,048,303 07/553,046 07/16/90 09/17/91 11/25/97 5,050,889 07/576,064 08/31/90 09/24/91 11/24/97 5,143,107 07/621,036 11/30/90 09/01/92 11/25/97 5,180,071 07/645,269 01/18/91 01/19/93 11/21/97 5,214,409 07/801,749 12/03/91 05/25/93 11/24/97 5,218,526 07/617,183 11/23/90 06/08/93 11/25/97 5,238,697 07/886,862 05/22/92 08/24/93 11/25/97