United States Patent and Trademark Office OG Notices: 16 July 2002

                 Patents Reinstated Due to the Acceptance of a
                       Late Maintenance Fee From 6/10/02

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,890,640       07/347,441      05/08/89        01/02/90        06/10/02
4,911,808       07/259,231      10/18/88        03/27/90        06/10/02
4,930,932       07/330,420      03/29/89        06/05/90        06/14/02
5,107,638       07/641,663      01/15/91        04/28/92        06/10/02
5,150,762       07/691,703      04/26/91        09/29/92        06/14/02
5,183,680       07/742,538      08/08/91        02/02/93        06/14/02
5,228,308       07/612,290      11/09/90        07/20/93        06/10/02
5,238,082       07/929,292      08/12/92        08/24/93        06/14/02
5,274,888       08/048,453      04/05/93        01/04/94        06/14/02
5,297,893       08/000,748      01/05/93        03/29/94        06/11/02
5,327,114       07/720,301      07/26/91        07/05/94        06/13/02
5,528,842       08/450,670      05/30/95        06/25/96        06/13/02
5,571,167       08/391,960      02/21/95        11/05/96        06/10/02
5,625,924       08/508,704      07/28/95        05/06/97        06/11/02
5,632,062       08/096,366      07/22/93        05/27/97        06/13/02
5,648,253       07/942,157      09/08/92        07/15/97        06/10/02
5,677,957       08/554,936      11/13/95        10/14/97        06/12/02
5,698,448       08/224,868      04/08/94        12/16/97        06/10/02
5,725,294       08/784,329      01/15/97        03/10/98        06/12/02
5,728,915       08/436,730      05/08/95        03/17/98        06/12/02
5,755,441       08/890,021      07/10/97        05/26/98        06/14/02