United States Patent and Trademark Office OG Notices: 18 January 2005

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 12/20/2004

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,085,146       07/525,334      05/17/90        02/04/92        12/20/04
5,377,179       08/139,284      10/19/93        12/27/94        12/20/04
5,515,218       08/131,713      10/05/93        05/07/96        12/23/04
5,549,839       08/426,087      04/21/95        08/27/96        12/20/04
6,067,552       09/052,050      03/30/98        05/23/00        12/22/04
6,076,066       09/232,805      01/19/99        06/13/00        12/20/04
6,097,422       09/166,558      10/05/98        08/01/00        12/23/04