Errata

   "All reference to Patent No. 5,645,643 to H. Ronald Thomas, et. al.,
of Pennsylvania, for METHODS AND APPARATUS FOR DEPOSITING BARRIER
COATINGS appearing in the Official Gazette of July 8, 1997, should be
deleted since no patent was granted."

   "All reference to Patent No. 5,672,476 to Francois Rousseau of Canada,
for MARKER AT THE ESTROGEN RECEPTOR GENE FOR DETERMINATION OF
OSTEOPOROSIS PREDISPOSITION appearing in the Official Gazette of
September 30, 1997, should be deleted since no patent was granted."

   "All reference to Patent No. 5,685,433 to Leland R. Nevill, et. al., of
Idaho, for TRAY FOR PROCESSING AND/OR SHIPPING INTEGRATED CIRCUIT
DEVICES appearing in the Official Gazette of November 11, 1997, should
be deleted since no patent was granted."

   "All reference to Patent No. 5,686,430 to Alf Sollevi, of Sweden, for
SELECTIVE VASODILATION BY CONTINUOUS ADENOSINE INFUSION appearing in the
Official Gazette of November 11, 1997, should be deleted since no patent
was granted."

   "All reference to Patent No. 5,687,335 to Takashi Sugiyama, et. al., of
California, for USER INTERFACE DISPLAYING WINDOWS ON A RECTANGULAR
PARALLELPIPED appearing in the Official Gazette of November 11, 1997,
should be deleted since no patent was granted."