United States Patent and Trademark Office OG Notices: 15 April 2003

                                    Errata

   "All reference to Patent No. 5,892,534 to Masahide Maruyama,
et al of Kanagawa, Japan for PICTURE EDITING APPARATUS appearing in the
Official Gazette of April 06, 1999, should be deleted since no patent
was granted."

   "All referemce to Patent No. 6,470,804 to David J. Leidel, et
al of Arlington, TX for OIL WELL PERFORATOR HAVING METAL COATED HIGH
HIGH DENISTY METAL POWDER LINER appearing in the Official Gazette of
October 29, 2002 should be deleted since no patent was granted."

   "All reference to Patent 6,521,163 to Tomoyuki Kurata, et al
of Japan, for CRAWLER MODLING METHOD appearing in the Official Gazette
of February 18, 2003 should be deleted since no patent was granted."

   "All reference to Patent No. 6,521,766 to Joaquim Henrique
Teles, et al of Germany, for METHOD FOR REACTING AN ORGANIC COMPOUND
WITH A HYDROPEROIXIDE appearing in the Official Gazette of February 18,
2003 should be deleted since no patent was granted."

   "All reference to Patent No. 6,521,800 to Douglas Charles
Elliott of Washington, for PROCESS FOR LACTOSE CONVERSION TO POLYOLS
appearing in the Official Gazette of February 18, 2003 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,521,824 to Jeffrey D. Muhs, et
al of Tennessee, for ADAPTIVE, FULL-SPECTRUM SOLAR ENERGY SYSTEM
appearing in the Official Gazette of February 18, 2003 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,522,146 to Leonard J. Srnka of
Texas, for REMOTE RESERVOIR RESISTIVITY MAPPING appearing in the
Official Gazette of February 11, 2003 should be deleted since no patent
was granted."

   "All reference to Patent No. 6,522,166 to Mark Libov, et al
of Israel, for BUS INTERFACE FOR I/O DEVICE WITH MEMORY appearing in
the Official Gazette of February 18, 2003 should be deleted since no
patent was granted."

   "All reference to Patent No. 6,522,316 to Jun Koyama, et al
of Japan, for DRIVE CIRCUIT OF ACTIVE MATRIX TYPE DISPLAY DEVICE HAVING
BUFFER WITH PARALLEL CONNECTED ELEMENTAL CIRCUITS AND MANUFACTURING
METHOD THEREFOR appearing in the Official Gazette of February 18, 2003
should be deleted since no patent was granted."

   "All reference to Patent No. 6,522,963 to Peter J. Schubert,
et al of Indiana, for ADAPTIVE ROLLOVER DETECTION APPARATUS AND METHOD
appearing in the Official Gazette of February 18, 2003 should be
deleted since no patent was granted."