United States Patent and Trademark Office OG Notices: 15 April 2003

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/17/2003

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,959,517       07/296,515      01/12/89        09/25/90        03/17/03
4,963,159       07/377,990      07/11/89        10/16/90        03/20/03
4,963,666       07/145,780      01/27/88        10/16/90        03/17/03
5,191,137       07/873,843      04/27/92        03/02/93        03/17/03
5,192,728       07/418,377      10/06/89        03/09/93        03/17/03
5,227,228       07/793,854      11/18/91        07/13/93        03/17/03
5,250,484       07/798,485      11/26/91        10/05/93        03/17/03
5,265,834       07/959,790      10/13/92        11/30/93        03/21/03
5,334,925       07/946,680      09/18/92        08/02/94        03/21/03
5,344,553       08/020,946      02/22/93        09/06/94        03/17/03
5,348,643       08/090,872      07/13/93        09/20/94        03/17/03
5,374,870       07/902,017      06/22/92        12/20/94        03/21/03
5,375,287       08/150,437      11/10/93        12/27/94        03/20/03
5,612,515       08/364,798      12/27/94        03/18/97        03/18/03
5,617,840       08/283,992      08/01/94        04/08/97        03/18/03
5,626,414       08/631,192      04/12/96        05/06/97        03/21/03
5,664,036       08/542,437      10/12/95        09/02/97        03/21/03
5,667,757       08/629,264      04/08/96        09/16/97        03/18/03
5,686,799       08/690,456      08/08/96        11/11/97        03/18/03
5,731,575       08/844,626      04/21/97        03/24/98        03/17/03
5,794,219       08/603,131      02/20/96        08/11/98        03/20/03
5,796,909       08/601,600      02/14/96        08/18/98        03/21/03
5,798,549       08/649,956      05/01/96        08/25/98        03/20/03
5,810,544       08/806,544      02/24/97        09/22/98        03/21/03
5,826,598       08/892,850      07/15/97        10/27/98        03/18/03
5,826,729       08/716,489      09/18/96        10/27/98        03/20/03
5,831,174       08/788,375      01/27/97        11/03/98        03/21/03
5,841,765       08/728,636      10/10/96        11/24/98        03/21/03
5,845,581       08/646,198      05/07/96        12/08/98        03/21/03
5,850,709       08/980,180      11/26/97        12/22/98        03/21/03
5,859,543       08/931,895      09/17/97        01/12/99        03/20/03
5,865,523       08/900,535      07/25/97        02/02/99        03/17/03
5,876,762       08/692,176      08/05/96        03/02/99        03/17/03