Authorization of funds for the Patent and Trademark Office : hearing before the Subcommittee on Patents, Copyrights, and Trademarks of the Committee on the Judiciary, United States Senate, One Hundred Second Congress, first session on S. 793 ... April 11, 1991.
Publisher: Washington: U.S. Gov't. Printing Office,
Coverage: Washington : U.S. G.P.O. : 1991.