United States Patent and Trademark Office OG Notices: 21 June 2005

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 05/23/2005

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,042,650       07/506,091      04/09/90        08/27/91    05/23/05
5,160,561       07/649,353      02/01/91        11/03/92    05/25/05
5,160,568       07/649,354      02/01/91        11/03/92    05/25/05
5,164,255       07/789,488      11/12/91        11/17/92    05/23/05
5,571,122       08/470,805      06/06/95        11/05/96    05/23/05
5,879,274       08/889,286      07/08/97        03/09/99    05/27/05
5,888,043       08/795,990      02/05/97        03/30/99    05/27/05
5,900,944       08/810,484      03/03/97        05/04/99    05/27/05
5,903,144       08/603,930      02/20/96        05/11/99    05/27/05
5,910,589       08/409,490      03/21/95        06/08/99    05/23/05
5,976,059       09/016,249      01/30/98        11/02/99    05/27/05
6,095,500       09/074,642      05/07/98        08/01/00    05/25/05
6,109,599       08/567,040      12/04/95        08/29/00    05/25/05
6,140,339       09/001,801      12/31/97        10/31/00    05/25/05
6,173,267       09/028,718      02/24/98        01/09/01    05/24/05
6,177,282       08/909,889      08/12/97        01/23/01    05/27/05
6,180,889       09/294,150      04/20/99        01/30/01    05/27/05
6,184,953       09/579,366      05/26/00        02/06/01    05/27/05