United States Patent and Trademark Office OG Notices: 19 April 2005

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/21/2005

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,920,785       06/623,009      06/21/84        05/01/90       03/25/05
5,146,845       07/741,319      08/07/91        09/15/92       03/22/05
5,148,519       07/306,328      02/03/89        09/15/92       03/21/05
5,151,619       07/595,911      10/11/90        09/29/92       03/24/05
5,372,169       08/218,680      03/29/94        12/13/94       03/23/05
5,566,499       08/412,933      03/29/95        10/22/96       03/25/05
5,571,686       08/227,530      04/14/94        11/05/96       03/24/05
5,584,120       08/358,851      12/19/94        12/17/96       03/23/05
5,598,601       08/386,749      02/10/95        02/04/97       03/23/05
5,927,933       09/031,466      02/26/98        07/27/99       03/23/05
5,944,670       08/759,340      12/02/96        08/31/99       03/25/05
5,954,347       08/915,942      08/21/97        09/21/99       03/25/05
6,012,756       09/126,362      07/30/98        01/11/00       03/25/05
6,066,945       09/125,720      10/14/98        05/23/00       03/21/05
6,089,839       08/987,222      12/09/97        07/18/00       03/21/05
6,113,341       09/177,116      10/22/98        09/05/00       03/21/05
6,122,999       09/060,431      04/14/98        09/26/00       03/21/05
6,126,607       09/184,070      11/02/98        10/03/00       03/23/05
6,130,206       08/376,457      01/23/95        10/10/00       03/25/05
6,135,179       09/336,024      06/18/99        10/24/00       03/21/05
6,141,295       09/277,404      03/26/99        10/31/00       03/22/05
6,146,087       09/032,672      02/27/98        11/14/00       03/23/05
6,147,203       09/002,753      01/05/98        11/14/00       03/21/05
6,157,401       09/118,245      07/17/98        12/05/00       03/25/05
6,186,487       09/229,541      01/13/99        02/13/01       03/25/05