United States Patent and Trademark Office OG Notices: 16 May 2006

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 04/17/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,212,618       07/518,151      05/03/90        05/18/93        04/17/06
5,213,075       07/740,921      08/06/91        05/25/93        04/19/06
5,477,347       08/091,620      07/14/93        12/19/95        04/20/06
5,977,729       08/779,050      01/06/97        11/02/99        04/17/06
6,052,941       08/905,384      08/04/97        04/25/00        04/17/06
6,155,195       09/379,252      08/23/99        12/05/00        04/17/06
6,205,685       09/118,401      07/17/98        03/27/01        04/17/06
6,217,266       09/382,043      08/24/99        04/17/01        04/18/06
6,264,103       09/037,598      03/10/98        07/24/01        04/20/06
6,310,348       09/344,692      06/25/99        10/30/01        04/20/06