United States Patent and Trademark Office OG Notices: 31 May 2005

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 05/02/2005

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,104,041       07/590,781      10/01/90        04/14/92        04/28/05
5,162,465       07/646,493      01/28/91        11/10/92        04/25/05
5,396,745       08/113,796      08/30/93        03/14/95        04/25/05
5,526,856       08/495,170      06/27/95        06/18/96        04/26/05
5,584,406       08/691,492      08/02/96        03/02/99        04/25/05
5,967,869       08/496,873      06/30/95        10/19/99        04/29/05
5,987,500       08/879,958      06/20/97        11/16/99        04/29/05
6,022,492       09/091,404      01/14/99        02/08/00        04/26/05
6,036,526       08/764,978      12/13/96        03/14/00        04/26/05
6,067,416       08/868,052      06/03/97        05/23/00        04/29/05
6,090,800       08/851,780      05/06/97        07/18/00        04/26/05
6,093,316       09/095,854      06/11/98        07/25/00        04/27/05
6,102,153       09/318,858      05/26/99        08/15/00        04/27/05
6,135,917       09/358,485      07/22/99        10/24/00        04/29/05
6,154,064       09/223,265      12/30/98        11/28/00        04/28/05
6,160,375       09/310,584      05/12/99        12/12/00        04/29/05
6,179,185       09/378,594      08/20/99        01/30/01        04/25/05
6,274,546       09/555,154      08/21/00        08/14/01        04/28/05
RE.37,377       09/016,409      01/30/98        09/18/01        04/28/05