United States Patent and Trademark Office OG Notices: 21 March 2006

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 02/20/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,087,007       07/701,685      05/13/91        02/11/92       02/23/06
5,398,335       07/938,969      09/01/92        03/14/95       02/24/06
5,691,693       08/535,576      09/28/95        11/25/97       02/22/06
5,928,272       09/071,856      05/02/98        07/27/99       02/23/06
6,048,511       09/225,820      01/05/99        04/11/00       02/21/06
6,149,684       08/951,690      10/16/97        11/21/00       02/23/06
6,151,385       09/467,641      12/20/99        11/21/00       02/22/06
6,238,275       09/136,862      08/19/98        05/29/01       02/21/06
6,239,310       09/355,322      08/02/99        05/29/01       02/21/06
6,261,067       09/202,775      12/21/98        07/17/01       02/21/06
6,286,737       09/509,420      03/27/00        09/11/01       02/21/06
6,289,900       09/617,015      07/14/00        09/18/01       02/21/06
6,307,860       09/055,044      04/03/98        10/23/01       02/22/06
6,309,183       09/307,120      05/07/99        10/30/01       02/21/06
6,311,516       09/492,189      01/27/00        11/06/01       02/23/06
6,323,885       09/286,922      04/06/99        11/27/01       02/21/06