United States Patent and Trademark Office OG Notices: 01 June 2004

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 05/03/2004

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,049,261       07/451,799      12/18/89        09/17/91        05/07/04
5,053,124       07/427,852      10/05/89        10/01/91        05/06/04
5,090,902       07/669,069      03/12/91        02/25/92        05/07/04
5,329,173       08/037,646      03/26/93        07/12/94        05/05/04
5,469,141       08/214,867      03/16/94        11/21/95        05/03/04
5,713,664       08/747,867      11/13/96        02/03/98        05/06/04
5,862,325       08/722,314      09/27/96        01/19/99        05/07/04
5,894,042       08/810,123      02/25/97        04/13/99        05/03/04
5,895,992       09/061,590      04/16/98        04/20/99        05/07/04
5,965,118       09/060,455      04/14/98        10/12/99        05/07/04
5,975,750       09/065,467      03/13/98        11/02/99        05/06/04
6,007,033       09/083,778      05/22/98        12/28/99        05/06/04
6,016,092       09/131,594      08/10/98        01/18/00        05/06/04
6,016,421       08/971,596      11/17/97        01/18/00        05/07/04
6,021,883       08/756,167      11/25/96        02/08/00        05/06/04
RE.36,639       08/649,918      05/16/96        04/04/00        05/04/04