Patents Reinstated Due to The Acceptance of a Late
                         Maintenance Fee From 12/29/95

Patent Number  Serial Number  Filing Date  Issue Date    Granted Date

4,510,479      06/550,462     11/10/83     04/09/85      12/29/95
4,543,180      06/613,819     05/25/84     09/24/85      12/29/95
4,618,133      06/687,437     12/28/84     10/21/86      12/29/95
4,650,775      06/857,699     04/19/86     03/17/87      01/05/96
4,658,456      06/788,128     10/16/85     04/21/87      12/29/95
4,658,651      06/732,946     05/13/85     04/21/87      12/29/95
4,666,914      06/814,223     12/27/85     05/19/87      12/29/95
4,675,048      06/860,893     05/08/86     06/23/87      01/05/96
4,679,543      06/830,219     02/18/86     07/14/87      12/29/95
4,685,331      06/721,535     04/10/85     08/11/87      12/29/95
4,685,611      06/935,522     11/26/86     08/11/87      12/29/95
4,691,715      06/867,034     05/27/86     09/08/87      12/29/95
4,691,716      06/867,039     05/27/86     09/08/87      12/29/95
4,787,315      07/091,102     08/31/87     11/29/88      01/02/96
4,882,210      07/248,935     09/26/88     11/21/89      12/29/95
4,883,441      07/256,845     10/12/89     11/28/89      12/29/95
4,960,996      07/298,419     01/18/89     10/02/90      12/29/95
4,975,136      07/283,221     12/12/88     12/04/90      12/29/95
4,986,791      07/466,196     01/17/90     01/22/91      12/29/95
4,998,513      07/495,117     03/19/90     03/12/91      12/29/95
5,009,511      07/471,042     01/26/90     04/23/91      12/29/95
5,009,649      07/379,105     07/13/89     04/23/91      12/29/95
5,033,386      07/494,918     03/12/90     07/23/91      01/02/96
5,037,783      07/361,615     06/05/89     08/06/91      12/29/95
5,052,732      07/503,223     04/02/90     10/01/91      12/29/95
5,056,670      07/645,750     01/25/91     10/15/91      12/29/95


              Patents Reinstated Due to The Acceptance of a Late
                         Maintenance Fee From 01/05/96

Patent Number  Serial Number  Filing Date  Issue Date    Granted Date

4,650,775      06/857,699     04/29/86     03/17/87      01/05/96
4,675,048      06/860,893     05/08/86     06/23/87      01/05/96
4,993,731      07/409,599     09/19/89     02/19/91      01/05/96
5,034,382      07/357,691     05/25/89     07/23/91      01/05/96


              Patents Reinstated Due to The Acceptance of a Late
                         Maintenance Fee From 01/12/96

Patent Number  Serial Number  Filing Date  Issue Date    Granted Date

4,697,713      06/761,801     08/02/85     10/06/87      01/17/96
4,702,732      06/935,057     11/21/86     10/27/87      01/18/96
4,941,210      07/278,761     12/02/88     17/17/90      01/18/96
5,046,944      07/329,551     03/28/89     09/10/91      01/18/96
5,454,856      08/175,433     06/23/94     10/03/95      01/17/96


              Patents Reinstated Due to The Acceptance of a Late
                         Maintenance Fee From 01/19/96

Patent Number  Serial Number  Filing Date  Issue Date    Granted Date

4,383,752      06/222,337     01/05/81     05/17/83      01/24/96
4,631,812      06/705,684     02/26/85     12/30/86      01/25/96
4,639,024      06/557,907     12/05/83     01/27/87      01/25/96
4,678,028      06/820,125     01/21/86     07/07/87      01/23/96
4,876,976      07/247,696     09/22/88     10/31/89      01/22/96
4,887,074      07/145,898     01/20/88     12/12/89      01/22/96
4,903,465      07/390,775     08/08/89     02/27/90      01/23/96
5,047,765      07/539,911     06/18/90     09/10/91      01/25/96


              Patents Reinstated Due to The Acceptance of a Late
                         Maintenance Fee From 01/26/96

Patent Number  Serial Number  Filing Date  Issue Date    Granted Date

4,357,719      06/238,511     02/26/81     11/09/82      01/30/96
4,375,703      06/253,513     04/15/81     03/08/83      01/31/96
4,461,891      06/471,395     03/02/83     07/24/84      01/31/96
4,544,032      06/596,021     04/02/84     10/01/85      01/31/96
4,554,004      06/543,488     10/19/83     11/19/85      01/31/96
4,613,668      06/564,515     12/22/83     09/23/86      01/30/96
4,869,002      07/233,893     08/15/88     09/26/89      01/31/96
4,879,457      07/282,586     12/12/88     11/07/89      01/30/96
4,989,560      07/416,496     10/03/89     02/05/91      01/31/96
5,020,909      07/487,041     03/02/90     06/04/91      01/30/96
5,024,577      07/375,438     07/05/89     06/18/91      01/31/96
5,025,817      07/550,576     07/10/90     06/25/91      01/31/96
5,032,663      07/444,025     11/30/89     07/16/91      01/31/96
5,038,780      07/188,337     04/29/88     08/13/91      01/31/96
5,038,806      07/602,039     10/19/90     08/13/91      01/29/96
5,049,491      07/122,985     11/19/87     09/17/91      01/30/96
5,175,718      07/427,020     10/25/89     12/29/92      01/31/96