United States Patent and Trademark Office OG Notices: 24 June 2003

                                    Erratum

   In the notice of Certificate of Correction appearing in
February 4, 2003, delete all reference to Patent No. 6,293,340, issue
of January 14, 2003, the number was erroneously mentioned and should be
vacated since no certificate of correction was granted.


                                    Erratum

   In the notice of Certificate of Correction appearing in
November 19, 2002, delete all reference to Patent No. 6,414,890, issue
of October 29, 2002, the number was erroneously mentioned and should be
vacated since no certificate of correction was granted.


                                    Erratum

   In the notice of Certificate of Correction appearing in
December 10, 2003 O.G., delete all reference to Patent No. 6,241,548
issue of November 19, 2002, the number was erroneously mentioned and
should be vacated since the certificate of correction was not granted.