United States Patent and Trademark Office OG Notices: 07 January 2003

                                   Erratum

   In the notice of Certificate of Correction appearing in July 9,
2002 O.G., delete all reference to Patent No. 6,365,162 issue of June
18, 2002, the number was erroneously mentioned and should be vacated
since the certificate of correction was not granted.


                                   Erratum

   In the notice of Certificate of Correction appearing in
November 12, 2002 O.G., delete all reference to Patent No. 6,262,313
issue of October 22, 2002, the number was erroneously mentioned and
should be vacated since the certificate of correction was not granted.


                                   Erratum

   In the notice of Certificate of Correction appearing in
November 26, 2002 O.G., delete all reference to Patent No. 6,381,009,
issue of November 5, 2002, the number was erroneously mentioned and
should be vacated since the certificate of correction was not granted.


                                   Erratum

   In the notice of Certificate of Correction appearing in
December 10, 2002 O.G., delete all reference to Patent No. 6,262,313
issue of November 19, 2002, the number was erroneously mentioned and
should be vacated since the certificate of correction was not granted.