United States. Congress. House. Committee on the Judiciary. Subcommittee on Patents, Trade-marks, and Copyrights.
Authorizing a Composer's Royalty in Revenues from Coin-Operated Machines and To Establish a Right of Copyright in Artistic Interpretations
Contributory Infringement in Patents, Definition of Invention
Extension of Patents in Certain Cases
Registration of Textile Fabric Designs
To Protect the U.S. in Certain Patent Suits
To protect the United States in certain patent suits