United States Patent and Trademark Office OG Notices: 10 December 2002

                                    Erratum

   In the notice of Certificate of Correction appearing in July
16, 2002 O.G., delete all reference to Patent No. 6,013,407, issue of
June 25, 2002, the number was erroneously mentioned and should be
deleted since no certificate of correction was issued.


                                    Erratum

   In the notice of Certificate of Correction appearing in October
1, 2002 O.G., delete all reference to Patent No. 6,373,968 B2, issue of
September 10, 2002, the number was erroneously mentioned and should be
vacated since the certificate of correction was withdrawn.