General information about protection of trademarks, prints and labels, At head of title: U.S. Department of Commerce, Patent Office, and Trade marks, prints and labels
Published:
Washington : United States Government Printing Office, 1938. Washington : Government Printing Office [Getzville, New York] : William S. Hein & Company, [2020]
Edition:
Revised January 1, 1938.
Physical Description:
1 online resource (20 pages) : illustrations, forms