United States Patent and Trademark Office OG Notices: 13 April 2004

                 Patents Reinstated Due to the Acceptance of a
                      Late Maintenance Fee from 3/15/2004

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

4,930,754       07/290,590      12/27/88        06/05/90        03/16/04
5,399,055       08/144,706      10/28/93        03/21/95        03/15/04
5,431,542       08/236,717      04/29/94        07/11/95        03/19/04
5,437,489       08/161,311      12/03/93        08/01/95        03/15/04
5,457,498       08/184,230      01/19/94        10/10/95        03/18/04
5,483,838       08/369,372      01/06/95        01/16/96        03/17/04
5,484,267       08/214,288      03/17/94        01/16/96        03/19/04
5,484,487       08/414,199      03/31/95        01/16/96        03/19/04
5,675,830       08/475,718      06/07/95        10/07/97        03/17/04
5,720,617       08/680,297      07/12/96        02/24/98        03/15/04
5,736,584       08/734,529      10/21/96        04/07/98        03/15/04
5,803,394       08/868,947      06/04/97        09/08/98        03/17/04
5,861,702       08/813,880      03/07/97        01/19/99        03/19/04
5,869,503       08/236,190      05/02/94        02/09/99        03/16/04
5,869,505       08/012,379      02/02/93        02/09/99        03/16/04
5,873,589       08/617,577      03/19/96        02/23/99        03/17/04
5,896,817       09/024,386      02/17/98        04/27/99        03/18/04
5,919,075       08/977,014      11/24/97        07/06/99        03/18/04
5,947,438       09/022,836      02/12/98        09/07/99        03/15/04
5,952,665       08/980,416      11/28/97        09/14/99        03/15/04
5,957,749       09/047,944      03/25/98        09/28/99        03/16/04
5,964,598       09/061,478      04/16/98        10/12/99        03/19/04
5,971,833       09/016,298      01/30/98        10/26/99        03/18/04
5,980,968       08/728,056      10/09/96        11/09/99        03/17/04
5,991,780       09/054,537      04/03/98        11/23/99        03/16/04
6,000,024       08/950,606      10/15/97        12/07/99        03/17/04
6,003,500       09/176,148      10/21/98        12/21/99        03/16/04
6,017,004       09/126,413      07/30/98        01/25/00        03/15/04