United States Patent and Trademark Office OG Notices: 21 December 2004

                                    Errata

   "All reference to Patent No. 6,817,413 to Stanley V. Stephenson,
et al of Oklahoma, for FRACTURE MONITORING USING
PRESSURE-FREQUENCY ANALYSIS appearing in the Official Gazette of
November 16, 2004 should be deleted since no patent was granted."


   "All reference to Patent No. 6,817,512 to George G. I. Moore,
et al of Afton, MN, for OMEGA-HYDROFLUOROALKYL ETHERS, PRECURSOR
CARBOXYLIC ACIDS AND DERIVATIVES THEREOF, AND THEIR PREPARATION AND
APPLICATION appearing in the Official Gazette of November 16, 2004
should be deleted since no patent was granted."

   "All reference to Patent No. 6,818,337 to Hiroshi Sugiura, et
al of Japan, for FUEL CELL OUTPUT CHARACTERISTIC ESTIMATION APPARATUS
AND OUTPUT CHARACTERICTIC ESTIMATION METHOD, FUEL CELL SYSTEM AND
VEHICLE HAVING THE SAME, AND FUEL CELL OUTPUT CONTROL METHOD AND DATA
STORAGE MEDIUM appearing in the Official Gazette of November 16, 2004
should be deleted since no patent was granted."

   "All reference to Patent No. 6,818,471 to Mitsuro Atobe, et
al of Japan, for MASK, METHOD OF MANUFACTURING A MASK, METHOD OF
MANUFACTURING AN ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC
ELECTROLUMINESCENCE DEVICE appearing in the Official Gazette of
November 16, 2004 should be deleted since no patent was granted." 

   "All reference to Patent No. 6,818,870 to David C. Harget, et
al of United Kingdom, for HEAT FUSION FITTING appearing in the Official
Gazette of November 16, 2004 should be deleted since no patent was
granted."

   "All reference to Patent No. 6,818,994 to Heikyung Min, et al
of California, for SEMICONDUCTOR STRUCTURE FOR REDUCING SURFACE ZENER
DRIFT USING TITANIUM-BASED METALLURGY appearing in the Official Gazette
of November 16, 2004 should be deleted since no patent was granted."


   "All reference to Patent No. 6,819,329 to Shuichi Kagawa, et
al of Tokyo, Japan, for IMAGE DISPLAY DEVICE appearing in the Official
Gazette of November 16, 2004 should be deleted since no patent was
granted."

   "All reference to Patent No. 6,819,369 to Hongyong Zhang, et
al of Kanagawa, Japan, for DISPLAY DEVICE appearing in the Official
Gazette of November 16, 2004 should be deleted since no patent was
granted."


   "All reference to Patent No. 6,819,595 to Kevin T. Look of
California, for LOW VOLTAGE NON-VOLATILE MEMORY CELL appearing in the
Official Gazette of November 16, 2004 should be deleted since no patent
was granted."


   "All reference to Patent No. 6,819,873 to Tetsuo Sakanaka of
Japan, for OPTICAL FREE-SPACE COMMUNICATION APPARATUS appearing in
Official Gazette of November 16, 2004 should be deleted since no patent
was granted."

   "All reference to Patent No. 6,820,178 to G. Glenn Henry, et
al of Austin, TX, for APPARATUS AND METHOD FOR SELECTIVE MEMORY
ATTRIBUTE CONTROL appearing in the Official Gazette of November 16,
2004 should be deleted since no patent was granted."

   "All reference to Patent No. 6,820,239 to Laurence H. Cooke,
et al of Los Gatos, CA, for ADAPTABLE CIRCUIT BLOCKS FOR USE IN
MULTI-BLOCK CHIP DESIGN appearing in the Official Gazette of November
16, 2004 should be deleted since no patent was granted."