Context

Context of Patents : hearings before the Committee on Patents, United States Senate, Seventy-seventh Congress, second session on S. 2303, a bill to provide for the use of patents in the interest of national defense or the prosecution of the war, and for other purposes : S. 2491, a bill to amend the patent laws, to prevent suppression on inventions, to promote the progress of science and the useful arts, and for other purposes, Part 5, May 13 and 16, 1942
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