United States Patent and Trademark Office OG Notices: 02 May 2006

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 04/03/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,143,607       07/807,173      12/13/91        09/01/92       04/07/06
5,151,347       07/441,553      11/27/89        09/29/92       04/03/06
5,172,754       07/643,139      01/17/91        12/22/92       04/06/06
5,231,686       07/916,785      07/17/92        07/27/93       04/06/06
5,520,230       08/291,556      08/16/94        05/28/96       04/03/06
5,592,940       08/529,972      09/19/95        01/14/97       04/06/06
5,597,572       08/152,938      11/12/93        01/28/97       04/07/06
5,642,549       08/541,732      10/10/95        07/01/97       04/05/06
5,643,333       08/340,855      11/15/94        07/01/97       04/03/06
5,961,336       08/909,774      08/12/97        10/05/99       04/03/06
6,004,206       09/050,273      03/30/98        12/21/99       04/06/06
6,050,583       08/991,585      12/15/97        04/18/00       04/06/06
6,064,054       09/011,291      04/27/98        05/16/00       04/07/06
6,079,176       09/065,285      04/23/98        06/27/00       04/07/06
6,087,300       09/210,689      12/14/98        07/11/00       04/03/06
6,130,762       09/090,316      06/04/98        10/10/00       04/03/06
6,136,424       09/019,584      02/06/98        10/24/00       04/03/06
6,146,015       09/379,536      08/24/99        11/14/00       04/05/06
6,192,871       09/183,066      10/30/98        02/27/01       04/06/06
6,196,662       09/033,329      03/02/98        03/06/01       04/06/06
6,231,553       09/313,091      05/17/99        05/15/01       04/07/06
6,237,627       09/358,873      07/22/99        05/29/01       04/06/06
6,238,555       09/187,241      11/06/98        05/29/01       04/05/06
6,247,417       09/580,619      05/30/00        06/19/01       04/07/06
6,261,122       09/330,936      06/11/99        07/17/01       04/04/06
6,261,335       09/349,552      07/08/99        07/17/01       04/03/06
6,266,146       09/454,473      12/03/99        07/24/01       04/06/06
6,266,567       09/323,585      06/01/99        07/24/01       04/06/06
6,291,241       09/280,366      03/29/99        09/18/01       04/07/06
6,298,333       09/499,789      02/08/00        10/02/01       04/07/06
6,304,885       08/649,972      05/01/96        10/16/01       04/06/06