United States Patent and Trademark Office OG Notices: 02 May 2006

                                   Erratum


   In the notice of Certificate of Correction appearing in September 13,
2005 Official Gazette, the reference, Patent No. 6,759,683 should read
6,759,863. The certificate of correction for this patent is valid. The
certificate of correction was granted and patent number 6,759,863 should
have been included on the certificate of correction issue list for August
23, 2005.