United States Patent and Trademark Office OG Notices: 30 April 2002

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee From 03/25/2002


Patent          Serial          Filing          Issue           Granted
Number          Number          Date            Date            Date

4,737,356       06/935,899      11/28/86        04/12/88        03/28/02
4,855,527       07/298,340      01/13/89        08/08/89        03/25/02
4,860,430       07/268,232      11/07/88        08/29/89        03/29/02
4,875,674       07/231,679      08/12/88        10/24/89        03/26/02
4,893,667       07/104,212      10/02/87        01/16/90        03/27/02
4,900,047       07/263,946      10/28/88        02/13/90        03/29/02
4,934,770       07/210,282      06/06/88        06/19/90        03/26/02
5,100,245       07/600,786      11/26/90        03/31/92        03/28/02
5,143,193       07/701,616      05/14/91        09/01/92        03/27/02
5,158,686       07/661,339      02/25/91        10/27/92        03/27/02
5,190,572       07/664,874      03/05/91        03/02/93        03/26/02
5,240,979       07/913,023      07/14/92        08/31/93        03/25/02
5,253,315       07/800,745      11/29/91        10/12/93        03/27/02
5,271,934       07/963,226      10/19/92        12/21/93        03/28/02
5,320,560       08/004,096      01/13/93        06/14/94        03/26/02
5,340,219       08/170,857      12/21/93        08/23/94        03/25/02
5,374,011       07/791,899      11/13/91        12/20/94        03/27/02
5,496,367       08/189,123      01/27/94        03/05/96        03/27/02
5,501,598       08/098,524      07/28/93        03/26/96        03/25/02
5,524,984       08/348,978      11/28/94        06/11/96        03/25/02
5,569,198       08/376,765      01/23/95        10/29/96        03/29/02
5,645,923       08/468,749      06/06/95        07/08/97        03/25/02
5,662,813       08/327,483      10/21/94        09/02/97        03/25/02
5,684,286       08/547,606      10/24/95        11/04/97        03/27/02
5,684,880       08/449,354      05/24/95        11/04/97        03/25/02
5,685,165       08/679,139      07/12/96        11/11/97        03/29/02
5,687,163       08/476,887      06/07/95        11/11/97        03/27/02
5,692,459       08/329,983      10/27/94        12/02/97        03/26/02
5,695,085       08/728,968      10/11/96        12/09/97        03/29/02
5,699,437       08/521,150      08/29/95        12/16/97        03/26/02
5,721,799       08/489,337      06/12/95        02/24/98        03/25/02
5,722,826       08/803,015      02/21/97        03/03/98        03/26/02