United States Patent and Trademark Office OG Notices: 19 December 2006

                 Patents Reinstated Due to the Acceptance of a
                     Late Maintenance Fee from 11/20/2006

Patent          Application     Filing          Issue           Granted
Number          Number          Date            Date            Date

5,070,704       07/536,612      07/17/90        12/10/91       11/20/06
5,174,483       07/718,771      06/21/91        12/29/92       11/21/06
5,257,878       07/982,339      11/27/92        11/02/93       11/22/06
5,339,618       08/129,436      09/29/93        08/23/94       11/21/06
5,543,621       08/440,636      05/15/95        08/06/96       11/21/06
5,569,106       08/526,739      09/12/95        10/29/96       11/21/06
5,619,421       08/261,166      06/17/94        04/08/97       11/20/06
5,631,503       08/307,933      09/16/94        05/20/97       11/21/06
5,634,874       08/595,738      02/02/96        06/03/97       11/21/06
5,685,680       08/641,838      05/02/96        11/11/97       11/21/06
5,718,161       08/650,158      05/20/96        02/17/98       11/20/06
5,727,686       08/508,429      07/31/95        03/17/98       11/24/06
5,765,536       08/657,334      06/03/96        06/16/98       11/21/06
5,776,001       08/687,451      10/03/96        07/07/98       11/22/06
5,788,220       08/663,937      06/14/96        08/04/98       11/21/06
5,836,837       08/792,547      11/06/96        11/17/98       11/20/06
6,065,579       09/002,324      01/02/98        05/23/00       11/20/06
6,071,114       08/985,836      12/05/97        06/06/00       11/22/06
6,133,724       09/106,434      06/29/98        10/17/00       11/22/06
6,134,736       09/236,734      01/25/99        10/24/00       11/24/06
6,147,175       09/194,384      11/19/98        11/14/00       11/21/06
6,181,748       09/112,064      07/07/98        01/30/01       11/23/06
6,192,332       09/056,036      04/06/98        02/20/01       11/24/06
6,301,750       09/604,445      06/27/00        10/16/01       11/22/06
6,384,545       09/811,984      03/19/01        05/07/02       11/22/06
6,400,772       09/098,139      06/16/98        06/04/02       11/22/06
6,406,454       09/524,792      03/14/00        06/18/02       11/20/06
RE. 36,188      08/923,035      09/03/97        04/06/99       11/22/06