Patent extension hearing : 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. 526 ... S. 1165 ... and S. 1506 ... August 1, 1991.

Coverage: Washington : U.S. G.P.O. : 1992.

Volumes:

Patent extension hearing : 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. 526 ... S. 1165 ... and S. 1506 ... August 1, 1991. (Washington : U.S. G.P.O. : 1992.)