Author: Commerce Dept. / Catalog Issue Year Decade: 1950 - 1959 / Sudoc Stem: C 21.5/a - Blacklight Search Results

Start Over Author Commerce Dept. Catalog Issue Year Decade 1950 - 1959 Sudoc Stem C 21.5/a

1. Classification of patents.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
SuDoc number:: C 21.5/a: (v.nos.&nos.)

2. Classification of patents.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
SuDoc number:: C 21.5/a: (v.nos.&nos.)

3. Official gazette, Patent Office [separates].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
SuDoc number:: C 21.5/a: (v.nos.&nos.)

4. Official gazette, Patent Office [separates].

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
SuDoc number:: C 21.5/a: (v.nos.&nos.)