United States Patent and Trademark Office OG Notices: 20 May 2003

                                    Errata

   "All reference to Patent No. 6,532,685 to Savas Aydore of
West Chester, OH for HIGH EFFICIENCY HEAT TRANSFER USING ASYMMETRIC
IMPINGING JET appearing in the Official Gazette March 18, 2003 should
be deleted since no patent was granted."

   "All reference to Patent No. 6,536,579 to Kenro Matsuo, et al
of Osaka, Japan for VARIABLE-SPEED MOVING SIDEWALK AND METHOD OF
DESIGNING IT appearing in the Official Gazette March 25, 2003 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,536,817 to Edward J. Subliskey
of Mountain Top, PA for WINDOW SASH LOCK KEEPER appearing in the
Official Gazette of March 25, 2003 should be deleted since no patent
was granted."

   "All reference to Patent No. 6,537,026 to Diaa M. Hosny of
California, for TURBINE HOUSING FOR HIGH EXHAUST TEMPERTURE appearing
in the Official Gazette of March 25, 2003 should be deleted since no
patent was granted."

   "All reference to Patent No. 6,537,685 to Shoichi Higuchi of
Japan, for ELECTRONIC COMPONENT, METHOD FOR PRODUCING ELECTRONIC
COMPONENT, AND CIRCUIT BOARD appearing in the Official Gazette of March
25, 2003 should be deleted since no patent was granted."

   "All reference to Patent No. 6,537,889 to Darin L. Peterson
of Idaho, for METHOD AND APPARATUS FOR MAKING MICROELECTRONIC DIES AND
MICROELECTRONIC DEVICES appearing in the Official Gazette of March 25,
2003 should be deleted since no patent was granted."

   "All reference to Patent No. 6,537,897 to Takahiro Yajima, et
al of Kyoto, Japan for THIN FILM FORMATION METHOD appearing in the
Official Gazette of March 25, 2003 should be deleted since no patent
was granted."

   "All reference to Patent No. 6,538,628 to Naoki Komiya of
Ogaki-Shi, Japan for DISPLAY DEVICE appearing in the Official Gazette
of March 25, 2003 should be deleted since no patent was granted."

   "All reference to Patent No. 6,538,822 to Karl-Heinz Schuster
of Germany, for OBJECTIVE WITH CRYSTAL LENSES AND PROJECTION EXPOSURE
EQUIPMENT FOR MICROLITHOGRAPHY appearing in the Official Gazette of
March 25, 2003 should be deleted since no patent was granted."

   "All reference to Patent No. 6,539,012 to Mathew Harper, et
al of Arlington Heights, IL for TOUCH TONE REPLACEMENT FOR INTERNET
TELEPHONY appearing in the Official Gazette of March 25, 2003 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,539,014 to Claude Galand, et
al of Lacolle/Loup, France for METHOD AND SYSTEM FOR SHARING RESERVED
BANDWIDTH BETWEEN SEVERAL DEPENDENT CONNECTIONS IN HIGH SPEED PACKET
SWITCHING NETWORKS appearing in the Official Gazette of March 25, 2003
should be deleted since no patent was granted."

   "All reference to Patent No. 6,539,317 to Rene T. Jonker, et
al of British Columbia, Canada for REVENUE METER WITH POWER QUALITY
FEATURES appearing in the Official Gazette of March 25, 2003 should be
be deleted since no patent was granted."