Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 6/07/96

Patent Number   Serial Number   Filing Date     Issue Date      Granted Date

4,603,142       06/616,478      06/01/84        07/29/86        06/12/96
4,664,114       06/764,788      08/12/85        05/12/87        06/11/96
4,694,589       06/939,746      12/09/86        09/22/87        06/14/96
4,874,549       07/186,186      04/26/88        10/17/89        06/12/96
4,907,604       07/185,848      04/25/88        03/13/90        06/11/96
4,918,471       07/325,360      03/17/89        04/17/90        06/10/96
4,929,351       07/357,685      05/26/89        05/29/90        06/11/96
5,020,872       07/460,761      01/04/90        06/04/91        06/12/96
5,042,337       07/396,341      08/21/89        08/27/91        06/14/96
5,060,242       07/314,749      02/24/89        10/22/91        06/14/96
5,062,419       07/637,907      01/07/91        11/05/91        06/12/96


                 Patents Reinstated Due To The Acceptance of a
                       Late Maintenance Fee From 6/14/96

Patent Number   Serial Number   Filing Date     Issue Date      Granted Date

Re. 32,723      07/011,333      02/04/87        08/02/88        06/19/96
4,357,324       06/237,617      02/24/81        11/02/82        06/20/96
4,402,388       06/261,186      05/19/81        09/06/83        06/17/96
4,461,891       06/471,395      03/02/83        07/24/84        06/17/96
4,522,518       06/511,741      07/07/83        06/11/85        06/17/96
4,571,232       06/595,649      04/02/84        02/18/86        06/20/96
4,585,482       06/614,231      05/25/84        04/29/86        06/17/96
4,609,475       06/582,994      02/24/84        09/02/86        06/21/96
4,609,886       06/715,308      03/25/85        09/02/86        06/17/96
4,639,322       06/644,593      08/27/84        01/27/87        06/20/96
4,694,589       06/939,746      12/09/86        09/22/87        06/14/96
4,719,683       06/814,234      12/30/85        01/19/88        06/19/96
4,731,028       07/031,796      03/30/87        03/15/88        06/20/96
4,800,475       07/113,715      10/27/87        01/24/89        06/20/96
4,882,210       07/248,935      09/26/88        11/21/89        06/17/96
4,906,058       07/158,944      02/22/88        03/06/90        06/19/96
4,927,085       07/288,321      12/21/88        05/22/90        06/20/96
4,943,974       07/260,614      10/21/88        07/24/90        06/17/96
4,943,980       07/346,069      05/02/89        07/24/90        06/20/96
4,947,826       07/464,329      01/12/90        08/14/90        06/17/96
4,960,351       06/922,899      10/24/86        10/02/90        06/20/96
4,974,658       07/313,429      02/22/89        12/04/90        06/20/96
4,995,344       07/440,520      11/22/89        02/26/91        06/20/96
5,033,223       07/403,925      09/07/89        07/23/91        06/17/96
5,033,744       07/477,626      02/09/90        07/23/91        06/17/96
5,033,829       07/480,265      02/15/90        07/23/91        06/20/96
5,036,523       07/416,402      10/03/89        07/30/91        06/19/96
5,042,337       07/396,341      08/21/89        08/27/91        06/14/96
5,060,242       07/314,749      02/24/89        10/22/91        06/14/96
5,064,050       07/660,726      02/25/91        11/12/91        06/17/96
5,064,414       07/642,930      01/18/91        11/12/91        06/19/96
5,069,001       07/616,642      11/21/90        12/03/91        06/20/96
5,073,678       07/570,626      08/21/90        12/17/91        06/19/96
5,076,822       07/519,905      05/07/90        12/31/91        06/20/96
5,079,831       07/652,134      02/07/91        01/14/92        06/19/96
5,105,354       07/299,140      01/23/89        04/14/92        06/17/96