Patents Reinstated Due to The Acceptance of a
                     Late Maintenance Fee From 08/25/95

Patent Number   Serial Number    Filing Date     Issue Date   Granted Date

4,395,046       06/287,304       07/27/81        07/26/83         08/30/95
4,501,185       06/518,684       07/29/83        02/26/85         08/31/95
4,521,832       06/622,003       06/18/84        06/04/85         08/31/95
4,523,279       06/616,817       06/04/84        06/11/85         08/31/95
4,536,942       06/658,066       10/05/84        08/27/85         08/31/95
4,537,341       06/637,118       08/02/84        08/27/85         08/31/95
4,562,326       06/593,806       03/27/84        12/31/85         08/31/95
4,581,031       06/623,408       06/22/84        04/08/86         08/30/95
4,587,458       06/629,812       07/11/84        05/06/86         08/30/95
4,600,978       06/674,808       11/26/84        07/15/86         08/30/95
4,612,531       06/700,866       02/12/85        09/16/86         08/31/95
4,616,652       06/543,345       10/19/83        10/14/86         08/31/95
4,621,558       06/730,848       05/06/85        11/11/86         08/31/95
4,628,634       06/686,027       12/24/84        12/16/86         08/29/95
4,635,522       06/846,016       03/31/86        01/13/87         08/30/95
4,637,801       06/661,213       10/15/84        01/20/87         08/29/95
4,637,802       06/823,593       01/29/86        01/20/87         08/31/95
4,647,832       06/748,304       06/24/85        03/03/87         08/30/95
4,663,814       06/797,162       11/12/85        05/12/87         08/31/95
4,716,083       06/535,352       09/23/83        12/29/87         08/25/05
4,724,169       06/878,061       06/24/86        02/09/88         08/25/95
4,732,440       06/790,134       10/22/85        03/22/88         08/31/95
4,748,760       07/032,314       03/30/87        06/07/88         08/30/95
4,779,373       07/093,932       09/08/87        10/25/88         08/31/95
4,828,764       07/064,268       06/18/87        05/09/89         08/31/95
4,841,590       07/037,523       04/13/87        06/27/89         08/28/95
4,842,598       07/137,761       12/24/87        06/27/89         08/31/95
4,843,478       07/131,920       12/09/87        06/27/89         08/30/95
4,843,503       07/133,946       12/17/87        06/27/89         08/31/95
4,846,002       07/089,706       08/26/87        07/11/89         08/28/95
4,848,281       07/126,404       11/30/87        07/18/89         08/28/95
4,848,292       07/186,617       04/27/88        07/18/89         08/29/95
4,850,525       07/166,655       03/11/88        07/25/89         08/31/95
4,873,702       07/260,288       10/20/88        10/10/89         08/31/95
4,882,953       07/288,765       12/22/88        11/28/89         08/31/95
4,892,354       07/374,269       06/30/89        01/09/90         08/31/95
4,897,578       07/191,405       05/09/88        01/30/90         08/31/95
4,909,883       07/210,622       06/23/88        03/20/90         08/30/95
4,946,505       07/380,744       07/17/89        08/07/90         08/31/95
4,952,106       07/408,359       09/18/89        08/28/90         08/31/95
4,954,328       06/470,812       01/28/83        09/04/90         08/30/95
4,956,168       06/470,814       01/28/83        09/11/90         08/30/95
4,965,214       07/224,810       07/27/88        10/23/90         08/30/95
4,968,220       07/236,901       08/25/88        11/06/90         08/29/95
4,968,514       06/921,801       10/20/86        11/06/90         08/28/95
4,984,143       07/407,392       09/14/89        01/08/91         08/31/95
4,985,949       07/402,468       09/01/89        01/22/91         08/31/95
4,995,651       07/444,820       12/01/89        02/26/91         08/28/95
4,998,920       07/421,119       10/11/89        03/12/91         08/29/95
5,000,210       07/484,515       02/23/90        03/19/91         08/29/95
5,009,649       07/379,105       07/13/89        04/23/91         08/30/95
5,009,865       06/772,557       09/04/85        04/23/91         08/31/95
5,012,019       07/449,259       01/26/90        04/30/91         08/31/95
5,021,760       07/415,912       10/03/89        06/04/91         08/30/95
5,021,953       07/492,260       03/12/90        06/04/91         08/31/95

                 Patents Reinstated Due to The Acceptance of a
                      Late Maintenance Fee From 09/01/95


Patent Number   Serial Number    Filing Date     Issue Date   Granted Date

Re. 32,616      06/892,305       08/04/86        03/01/88         09/08/95
4,530,777       06/518,542       07/29/83        07/23/85         09/08/95
4,595,221       06/658,536       10/09/84        06/17/86         09/08/95
4,601,885       06/385,500       06/07/82        07/22/86         09/07/95
4,661,247       06/826,637       02/06/86        04/28/87         09/08/95
4,671,568       06/759,229       07/26/85        06/09/87         09/08/95
4,744,378       06/945,196       12/18/86        05/17/88         09/07/95
4,861,309       07/072,076       07/10/87        08/29/89         09/08/95
4,884,813       07/255,598       10/11/88        12/05/89         09/08/95
4,950,154       07/374,927       07/03/89        08/21/90         09/07/95
4,982,876       07/229,643       08/08/88        01/08/91         09/08/95
4,998,396       07/504,488       04/04/90        03/12/91         09/08/95
5,004,926       07/404,631       09/08/89        04/02/91         09/07/95
5,015,140       07/411,293       09/22/89        05/14/91         09/07/95

                 Patents Reinstated Due to The Acceptance of a
                      Late Maintenance Fee From 09/08/95

Patent Number   Serial Number    Filing Date     Issue Date   Granted Date

4,388,835       06/289,290       08/03/81        06/21/83         09/13/95
4,508,387       06/537,341       09/29/83        04/02/85         09/11/95
4,568,604       06/567,188       12/30/83        02/04/86         09/14/95
4,585,435       06/615,594       05/31/84        04/29/86         09/14/95
4,721,121       06/829,503       02/14/86        01/26/88         09/11/95
4,823,524       07/071,394       07/09/87        04/25/89         09/14/95
4,846,164       07/083,690       08/07/87        07/11/89         09/13/95
4,895,380       07/157,217       02/17/88        01/23/90         09/11/95
4,987,983       07/380,290       07/17/89        01/29/91         09/14/95
5,026,205       07/456,796       12/29/89        06/25/91         09/13/95