United States Patent and Trademark Office OG Notices: 29 March 2005

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 02/28/2005

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,074,045       07/570,955      08/20/90        12/24/91       03/04/05
5,136,120       07/626,152      12/12/90        08/04/92       03/04/05
5,169,546       07/546,998      07/02/90        12/08/92       03/03/05
5,407,094       08/174,255      12/28/93        04/18/95       03/04/05
5,463,971       08/244,697      07/07/94        11/07/95       02/28/05
5,561,947       08/425,750      04/20/95        10/08/96       03/02/05
5,819,869       08/682,228      07/25/96        10/13/98       03/01/05
5,868,310       08/939,094      09/26/97        02/09/99       02/28/05
5,920,511       08/996,192      12/22/97        07/06/99       02/28/05
5,989,558       08/985,494      12/05/97        11/23/99       02/28/05
6,100,049       09/257,407      02/25/99        08/08/00       03/02/05
6,131,859       09/026,091      02/19/98        10/17/00       03/03/05
6,145,906       09/174,802      10/13/98        11/14/00       03/01/05
6,205,990       09/625,223      07/24/00        03/27/01       03/03/05