United States Patent and Trademark Office OG Notices: 25 April 2006

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/27/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,201,601       07/760,917      09/17/91        04/13/93        03/28/06
5,563,579       08/253,851      06/03/94        10/08/96        03/27/06
5,584,427       08/394,395      02/24/95        12/17/96        03/27/06
5,681,223       08/109,506      08/20/93        10/28/97        03/30/06
5,714,291       08/173,605      12/23/93        02/03/98        03/28/06
6,052,003       09/071,352      04/30/98        04/18/00        03/27/06
6,075,058       09/210,468      12/12/98        06/13/00        03/28/06
6,164,636       09/256,466      02/23/99        12/26/00        03/28/06
6,222,409       09/356,111      07/16/99        04/24/01        03/30/06
6,232,809       09/607,653      06/30/00        05/15/01        03/27/06
6,277,116       09/251,554      02/17/99        08/21/01        03/30/06
6,295,466       09/478,320      01/06/00        09/25/01        03/30/06
6,302,686       09/728,547      12/02/00        10/16/01        03/30/06