Patents and trade-marks.
Subtitle: Hearings before the Committee on patents, House of representatives, Seventy-sixth Congress, first session, on H.R. 6618, trade-marks, H.R. 6721, classification of patents, H.R. 6877, to protect the United States in patent infringement suits, H.R. 6872, H.R. 6873, H.R. 6874, H.R. 6875, and H.R. 8678, amending patent laws. June 22, 1939.
Publisher: U.S. Govt. print. off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 62
Subjects: Patent laws and legislation -- United States.; Trademarks -- United States.
Notes: Available also in microform in CIS US congressional committee hearings, accession number (76)H861-8.
Printed for the use of the Committee on patents.
William I. Sirovich, chairman.