United States Patent and Trademark Office OG Notices: 12 August 2003

                           Disclaimer and Dedication

   5,160,084 - S. Hudson Owen, Marshfield, Wis.; Roger A. Baldwin,
Warr Acres, Okla.; Gerald E. Taylor; Paul A. Wolff, Oklahoma City,
Okla. METHOD FOR ADHESIVELY BONDING A RAIL-TIE FASTENING ASSEMBLY TO A
WOODEN RAILWAY TIE. Patent dated Nov. 3, 1992. Disclaimer and
dedication filed Apr. 30, 2003, by the assignee, Kerr-McGee Chemical
LLC.

   Hereby disclaims and dedicates to the Public, the remaining term of
said patent.