Title: Court of patent appeals and limiting patents to 20 years
Subtitle: Hearings before the Committee on patents, United States Senate, Seventy-sixth Congress, first session, on S. 2687, a bill to establish a circuit court of appeals for patents; and S. 2688, a bill to limit the term of a patent to not more than 20 years. July 5 and 6, 1939.
Subjects: Patent laws and legislation
Places: United States