United States Patent and Trademark Office OG Notices: 25 February 2003

                                    Errata



   "All reference to Patent No. 6,500,542 to Andrew Davey, et al
of Dublin, Ireland for COMPOSITION appearing in the Offical Gazette of
December 31, 2002 should be deleted since no patent was granted."



   "All reference to Patent No. 6,500,586 to John L. Nistler of
Martindale, TX for PHASE TRANSITION DESIGN TO MAINTAIN CONSTANT LINE
LENGTH THROUGH FOCUS appearing in the Official Gazette of December 31,
2002 should be deleted since no patent was granted."



   "All reference to Patent No. 6,500,806 to Alain Rolland, et
al of The Woodland, TX for FORMULATED NUCLEIC ACID COMPOSITIONS AND
METHODS OF ADMINISTERING THE SAME FOR GENE THERAPY appearing in the
Official Gazette of December 31, 2002 should be deleted since no patent
was granted."



   "All reference to Patent No. 6,501,722 to Kotaro Kurokawa, et
al of Kanagawa, Japan for MULTILAYER OPTICAL DISK AND METHOD OF
INITIALIZING THE SAME appearing in the Official Gazette of December 31,
2002 should be deleted since no patent was granted."



   "All reference to Patent No. 6,501,880 to Joshua A.
Rothenberg, et al of San Jose, CA for EFFICIENT SAMPLED GRATINGS FOR
WDM APPLICATIONS appearing in the Official Gazette of December 31, 2002
should be deleted since no patent was granted."