United States Patent and Trademark Office OG Notices: 03 April 2007

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/05/2007

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,222,939       07/866,814      04/09/92        06/29/93        03/08/07
5,279,261       07/962,289      10/16/92        01/18/94        03/08/07
5,322,698       07/849,067      06/05/92        06/21/94        03/09/07
5,357,609       07/858,319      03/25/92        10/18/94        03/08/07
5,630,424       08/484,933      06/07/95        05/20/97        03/09/07
5,697,393       08/426,280      04/21/95        12/16/97        03/09/07
5,757,474       08/496,061      06/28/95        05/26/98        03/06/07
5,911,523       08/898,118      07/22/97        06/15/99        03/08/07
6,134,798       09/135,772      08/18/98        10/24/00        03/05/07
6,181,418       09/041,233      03/12/98        01/30/01        03/09/07
6,190,566       09/103,305      06/23/98        02/20/01        03/07/07
6,205,704       09/264,458      03/08/99        03/27/01        03/07/07
6,289,098       09/618,242      07/18/00        09/11/01        03/08/07
6,395,051       09/356,271      07/16/99        05/28/02        03/07/07
6,402,756       09/789,938      02/15/01        06/11/02        03/08/07
6,413,301       10/027,137      12/26/01        07/02/02        03/09/07
6,435,421       09/653,734      09/01/00        08/20/02        03/09/07
6,454,049       09/653,576      08/31/00        09/24/02        03/07/07
6,459,900       09/724,911      11/28/00        10/01/02        03/07/07
6,474,829       09/725,113      11/29/00        11/05/02        03/07/07
6,487,762       09/716,281      11/21/00        12/03/02        03/06/07
6,497,208       09/884,075      06/20/01        12/24/02        03/08/07