United States Patent and Trademark Office OG Notices: 14 November 2006

                                   Erratum

   In the notice of "PATENTS WHICH EXPIRED ON June 23, 2006 DUE TO FAILURE
TO PAY MAINTENANCE FEES" appearing in the Official Gazette of August 22,
2006, all reference to Patent No. 5,769,591 which issued from Application
No. 08/260,058 should be deleted since the relevant maintenance fee and
applicable surcharge were timely paid in that patent.


                                    Erratum

   In the notice of "PATENTS WHICH EXPIRED ON August 20, 2006 DUE TO FAILURE
TO PAY MAINTENANCE FEES" appearing in the Official Gazette of October 17,
2006, all reference to Patent No. 6,436,939 which issued from Application
No. 09/821,215 should be deleted since the relevant maintenance fee was
timely paid in that patent.


                                   Erratum

   In the notice of "PATENTS WHICH EXPIRED ON August 20, 2006 DUE TO FAILURE
TO PAY MAINTENANCE FEES" appearing in the Official Gazette of October 17,
2006, all reference to Patent No. 6,436,959 which issued from Application
No. 09/220,189 should be deleted since the relevant maintenance fee was
timely paid in that patent.