Catalog Issue Year Decade: 1930 - 1939 / Sudoc Stem: C 21.7/1 - Blacklight Search Results

Start Over Catalog Issue Year Decade 1930 - 1939 Sudoc Stem C 21.7/1

1. Patent laws. Patent laws.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised July 1, 1938. 1938
SuDoc number:: C 21.7/1:938

2. Patent laws. Patent laws.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised Jan. 1937. 1936 [published 1937]
SuDoc number:: C 21.7/1:937

3. Patent laws. Patent laws.

Corporate/Agency Authors:: Patent Office and Agriculture Department
Publisher:: Patent Office
Date:: Revised June 1934. 1934
SuDoc number:: C 21.7/1:934

4. Patent laws. Patent laws.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Edition of Sept. 1931. 1931
SuDoc number:: C 21.7/1:931