Author: Commerce Department / Sudoc Stem: C 21.5/a - Blacklight Search Results

Start Over Author Commerce Department Sudoc Stem C 21.5/a

1. Patents. Classification of patents issued Oct. 7-28, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a:531/1-4

2. Official gazette. Official gazette, June 2-30, 1925; v. 335, no. 1-5. [June 16, 1925.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1925.]
SuDoc number:: C 21.5/a:335/3