United States Patent and Trademark Office OG Notices: 28 May 2002

                                    Erratum

   In the notice of Certificate of Correction appearing in April
9, 2002 O.G., Vol. 1257 O.G. 70, delete all reference to Patent No.
6,337,077, issue of March 19, 2002, the number was erroneously
mentioned and should be deleted since no certificate of correction was
issued.


                                    Erratum

    In reference to the Patent No. 6,208,437 duplicated in the
Certificate of Correction listing in the Official Gazette of April 2,
2002, second reference should be deleted since the patent number was
erroneously mentioned.