United States Patent and Trademark Office OG Notices: 25 December 2001

                                    Errata

   "All reference to Patent No. 6,327,655 to Charles M. Link, et
al of Roswell, GA for METHOD AND APPARATUS FOR A UNIT LOCKED AGAINST
USE UNTIL UNLOCKED AND/OR ACTIVATED ON A SELECTED NETWORK appearing in
the Official Gazette of December 04, 2001 should be be deleted since no
patent was granted."

   "All reference to Patent No. 6,328,742 to Michael E. Landry,
et al of Austin, TX for INSTRUMENT AND METHOD IMPLANTING AN INTERBODY
FUSION DEVICE appearing in the Official Gazette of December 11, 2001
should be deleted since no patent was granted."

   "All reference to Patent No. 6,328,948 to Christos
Angeletakis, et al of California, for DENTAL IMPRESSION MATERIAL
UTILIZING RUTHENIUM CATALYST appearing in the Official Gazette of
December 11, 2001 should be deleted since no patent was granted."

   "All reference to Patent No. 6,329,799 to Wei Chen of
Campbell, CA for POLYPHASE PWM REGULATOR WITH HIGH EFFICIENCY AT LIGHT
LOADS appearing in the Official Gazette of December 11, 2001 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,330,094 to Hidemi Takayama of
Japan, for OPTICAL SCANNING APPARATUS AND IMAGE FORMING APPARATUS USING
IT appearing in the Official Gazette of December 11, 2001 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,330,727 to Thomas Fritsch, et
al of Eppstein, Germany for BRUSH SECTION FOR AN ELECTRIC TOOTHBRUSH
appearing in the Official Gazette of December 18, 2001 should be
deleted since patent was granted."

   "All reference to Patent No. 6,330,868 to Lambertus Hendrik
De Gooijer of Naarden, Netherlands for CRANK-CONNECTING ROD MECHANISM
appearing in the Official Gazette of December 18, 2001 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,331,167 to Louis-Phillipe
Amiot of Montreal, Canada for INTERACTIVE COMPUTER-ASSISTED SURGICAL
SYSTEM AND METHOD THEREOF appearing in the Official Gazette of December
18, 2001 should be deleted since no patent was granted."

   "All reference to Patent No. 6,331,288 to Bastiaan Driehuys,
et al of Durham, NC for METHODS FOR IMAGING PULMONARY AND CARDIAC
VASCULATURE AND EVALUATING BLOOD FLOW USING DISSOLVED POLARIZED129XE
appearing in the Official Gazette of December 18, 2001 should be
deleted since no patent was granted."

   "All reference to Patent No. 6,331,491 to Neng-Hui Yang, et
al of Hsin-Chu City, Taiwan for METHOD FOR DEPOSITING SILICON CARBIDE
IN SEMICONDUCTOR DEVICES appearing in the Official Gazette of December
18, 2001 should be deleted since no patent was granted."

   "All reference to Patent No. 6,331,558 to Helmut Hettche, et
al of Dietzenbach, Germany for DOSAGE FORMS CONTAINING THIOCTIC ACID OR
SOLID SALTS OF THIOCTIC ACID WITH IMPROVED RELEASE AND BIOAVAILABILITY
appearing in the Official Gazette of December 18, 2001 should be
deleted since no patent was granted."