United States Patent and Trademark Office OG Notices: 24 December 2002

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee From 11/25/2002

Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,834,404       07/230,903      08/11/88        05/30/89        11/25/02
4,915,927       07/260,500      10/21/88        04/10/90        11/27/02
4,949,620       07/287,916      12/21/88        08/21/90        11/25/02
5,347,567       07/943,055      09/10/92        09/13/94        11/26/02
5,347,568       08/089,846      07/09/93        09/13/94        11/26/02
5,725,563       08/537,794      10/23/95        03/10/98        11/25/02
5,727,647       08/656,983      06/06/96        03/17/98        11/27/02
5,736,202       08/777,533      12/30/96        04/07/98        11/25/02
5,796,390       08/037,175      03/24/93        08/18/98        11/26/02
5,798,699       08/779,051      01/06/97        08/25/98        11/25/02