United States Patent and Trademark Office OG Notices: 16 May 2006

                                    Erratum

   In the notice of "PATENTS WHICH EXPIRED ON February 22, 2006 DUE TO
FAILURE TO PAY MAINTENANCE FEES" appearing in the Official Gazette of
April 18, 2006, all reference to Patent No. 5,287,635 which was issued
from Application No. 08/061,040 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 May 3, 2002 DUE TO
FAILURE TO PAY MAINTENANCE FEES" appearing in the Official Gazette of
July 2, 2002, all reference to Patent No. 5,309,325 which was issued
from Application No. 08/019,775 should be deleted since the relevant
maintenance fees were timely paid in that patent.