United States Patent and Trademark Office OG Notices: 18 May 2004

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 04/19/2004

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,937,560       07/231,287      08/11/88        06/26/90        04/23/04
5,083,606       07/565,600      08/09/90        01/28/92        04/23/04
5,324,245       08/051,390      04/23/93        06/28/94        04/22/04
5,333,418       07/939,134      09/02/92        08/02/94        04/23/04
5,335,509       08/098,521      07/28/93        08/09/94        04/23/04
5,365,608       07/916,437      07/21/92        11/22/94        04/23/04
5,437,493       08/095,097      07/20/93        08/01/95        04/19/04
5,438,402       08/026,682      03/05/93        08/01/95        04/19/04
5,458,055       08/154,913      11/18/93        10/17/95        04/23/04
5,480,196       08/288,725      08/15/94        01/02/96        04/22/04
5,796,952       08/821,534      03/21/97        08/18/98        04/22/04
5,819,612       08/960,090      10/24/97        10/13/98        04/22/04
5,834,410       08/785,358      01/17/97        11/10/98        04/23/04
5,860,226       08/782,560      01/10/97        01/19/99        04/23/04
5,862,953       08/687,149      07/24/96        01/26/99        04/23/04
5,899,229       08/686,401      07/25/96        05/04/99        04/22/04
5,916,088       09/178,598      10/26/98        06/29/99        04/22/04
5,938,039       09/116,304      07/15/98        08/17/99        04/23/04
5,990,402       09/042,030      03/13/98        11/23/99        04/20/04
6,001,054       09/081,954      05/19/98        12/14/99        04/23/04
6,003,039       08/883,283      06/27/97        12/14/99        04/23/04
6,020,371       08/991,282      12/16/97        02/01/00        04/22/04
6,036,897       09/042,584      03/17/98        03/14/00        04/23/04
6,045,105       09/274,282      03/22/99        04/04/00        04/23/04