Patents Reinstated Due to the Acceptance of a Late Maintenance Fee From 3/14/97 Patent Serial Filing Issue Granted Number Number Date Date Date 4,371,306 06/237,441 02/23/81 02/01/83 03/17/97 4,419,894 06/289,434 08/03/81 12/13/83 03/18/97 4,428,943 06/283,376 07/15/81 01/31/84 03/20/97 4,469,736 06/496,663 05/20/83 09/04/84 03/14/97 4,475,551 06/414,353 09/02/82 10/09/84 03/20/97 4,612,735 06/659,146 10/09/84 09/23/86 03/14/97 4,637,736 06/725,127 04/19/85 01/20/87 03/17/97 4,727,064 06/738,749 05/29/85 02/23/88 03/17/97 4,727,863 06/868,937 05/30/86 03/01/88 03/17/97 4,729,914 07/056,338 05/22/87 03/08/88 03/17/97 4,777,762 06/946,062 12/24/86 10/18/88 03/14/97 4,779,411 06/946,751 12/29/86 10/25/88 03/21/97 4,783,818 06/788,411 10/17/85 11/08/88 03/17/97 4,785,488 07/128,683 12/04/87 11/22/88 03/14/97 4,942,865 07/208,962 06/20/88 07/24/90 03/18/97 4,972,953 07/366,172 06/14/89 11/27/90 03/14/97 4,976,053 07/404,268 09/07/89 12/11/90 03/20/97 5,013,578 07/448,379 12/11/89 05/07/91 03/20/97 5,088,123 07/698,265 05/10/91 02/18/92 03/20/97 5,103,658 07/646,821 01/28/91 04/14/92 03/19/97 5,116,508 07/483,870 02/23/90 05/26/92 03/20/97 5,122,165 07/715,992 06/11/91 06/16/92 03/19/97 5,134,979 07/580,630 09/10/90 08/04/92 03/17/97 5,145,095 07/397,393 08/23/89 09/08/92 03/14/97 5,150,171 07/559,039 07/30/90 09/22/92 03/17/97 5,152,608 07/793,139 11/18/91 10/06/92 03/17/97 5,155,924 07/636,758 01/02/91 10/20/92 03/20/97 5,160,133 07/568,971 08/17/90 11/03/92 03/17/97 5,161,799 07/837,950 02/20/92 11/10/92 03/18/97