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

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 01/23/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,177,762       07/660,850      02/26/91        01/05/93        01/27/06
5,497,717       08/154,975      11/19/93        03/12/96        01/23/06
5,567,048       08/491,481      06/16/95        10/22/96        01/23/06
5,573,817       08/441,978      05/16/95        11/12/96        01/23/06
5,592,770       08/666,756      06/19/96        01/14/97        01/23/06
5,636,676       08/444,282      05/18/95        06/10/97        01/27/06
5,638,257       08/699,483      08/19/96        06/10/97        01/27/06
5,735,422       08/825,960      04/04/97        04/07/98        01/24/06
5,939,154       09/031,510      02/26/98        08/17/99        01/27/06
5,975,814       09/010,210      01/21/98        11/02/99        01/23/06
6,017,597       08/849,235      06/05/97        01/25/00        01/24/06
6,071,415       08/556,910      11/28/95        06/06/00        01/23/06
6,145,389       08/970,174      11/13/97        11/14/00        01/26/06
6,157,935       08/767,833      12/17/96        12/05/00        01/23/06
6,171,274       09/303,617      03/11/99        01/09/01        01/23/06
6,235,305       09/431,551      10/29/99        05/22/01        01/27/06
6,252,404       09/376,543      08/18/99        06/26/01        01/27/06
6,254,050       09/303,218      04/30/99        07/03/01        01/24/06
6,256,927       09/344,576      06/25/99        07/10/01        01/25/06
6,257,871       09/533,310      03/22/00        07/10/01        01/27/06
6,278,776       08/996,157      12/22/97        08/21/01        01/25/06
6,306,668       09/404,512      09/23/99        10/23/01        01/27/06
6,309,984       09/363,657      07/30/99        10/30/01        01/25/06