Purchase of Fairfax Naulty Inventions in Aviation: Hearings Before Committee on Patents, House of Representatives, Seventy-first Congress, First Session, on H.R. 720 and H.R. 721, Bills Providing for the Purchase of Certain Inventions, Designs, and Methods of Aircraft, Aircraft Parts, and Aviation Technique of Edwin Fairfax Naulty and Leslie Fairfax Naulty, of New York. April 18, 1930
United States. Congress. House. Committee on Patents
Jan 1930 · U.S. Government Printing Office