United States Patent and Trademark Office OG Notices: 18 April 2006

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 03/20/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,126,533       07/494,738      03/19/90        06/30/92        03/20/06
5,158,164       07/759,235      09/13/91        10/27/92        03/20/06
5,192,348       07/748,229      08/21/91        03/09/93        03/20/06
5,242,595       07/691,271      04/25/91        09/07/93        03/20/06
5,248,503       07/816,661      01/03/92        09/28/93        03/20/06
5,440,839       08/095,054      07/20/93        08/15/95        03/21/06
5,479,258       08/320,776      10/12/94        12/26/95        03/20/06
5,528,507       08/104,750      08/11/93        06/18/96        03/21/06
5,565,118       08/258,983      06/13/94        10/15/96        03/20/06
5,622,211       08/479,153      06/07/95        04/22/97        03/21/06
5,632,556       08/357,327      12/16/94        05/27/97        03/22/06
5,649,555       08/470,733      06/06/95        07/22/97        03/20/06
5,655,952       08/495,233      06/26/95        08/12/97        03/20/06
5,665,951       08/597,436      02/08/96        09/09/97        03/20/06
5,676,320       08/398,137      03/03/95        10/14/97        03/20/06
5,681,143       08/562,146      11/22/95        10/28/97        03/20/06
5,688,330       08/707,915      09/10/96        11/18/97        03/21/06
5,708,364       08/510,239      08/02/95        01/13/98        03/20/06
5,712,546       08/367,953      01/03/95        01/27/98        03/21/06
5,717,704       08/633,172      04/16/96        02/10/98        03/20/06
5,845,911       08/651,287      05/22/96        12/08/98        03/21/06
5,988,323       09/039,180      03/16/98        11/23/99        03/22/06
6,000,448       09/145,081      09/01/98        12/14/99        03/21/06
6,036,562       09/300,780      04/27/99        03/14/00        03/20/06
6,065,168       09/195,837      11/19/98        05/23/00        03/20/06
6,065,808       09/199,934      11/25/98        05/23/00        03/20/06
6,076,996       09/275,613      03/24/99        06/20/00        03/20/06
6,121,328       09/187,334      11/06/98        09/19/00        03/20/06
6,155,415       09/303,479      04/30/99        12/05/00        03/20/06
6,155,475       09/091,920      06/22/98        12/05/00        03/21/06
6,168,157       09/131,115      08/07/98        01/02/01        03/22/06
6,214,012       09/191,915      11/13/98        04/10/01        03/21/06
6,219,854       09/502,298      02/11/00        04/24/01        03/21/06
6,241,460       09/385,496      08/27/99        06/05/01        03/21/06
6,250,996       09/449,837      11/26/99        06/26/01        03/20/06
6,261,976       09/270,590      03/18/99        07/17/01        03/20/06
6,274,548       09/325,923      06/04/99        08/14/01        03/20/06
6,277,996       09/564,979      05/04/00        08/21/01        03/21/06
6,298,218       09/161,892      09/28/98        10/02/01        03/20/06
6,305,221       09/332,794      06/14/99        10/23/01        03/20/06
6,345,192       09/386,597      08/31/99        02/05/02        03/20/06