Amending section 4894 of Revised statutes
Subtitle: report (to accompany H.R. 6878)
Series: Report / 76th Congress, 1st session, Senate -- no. 879
Publisher: U.S. G.P.O.
Published: 1939
Place of publication: Washington, D.C.?
Language: eng
Subjects: Patent laws and legislation
Notes: Caption title.

"July 19 ... 1939."