Author: Patent Office / Publish Year Decade: 1920 - 1929 / Sudoc Stem: C 21.8 - Blacklight Search Results

Start Over Author Patent Office Publish Year Decade 1920 - 1929 Sudoc Stem C 21.8

1. Rules of practice n Patent Office.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: Revised Oct. 1, 1927 1927
SuDoc number:: C 21.8:927/2

2. Rules of practice in Patent Office.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised Jan. 1, 1927. 1927
SuDoc number:: C 21.8:927

3. Rules of practice in Patent Office.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised July 1, 1925. 1925
SuDoc number:: C 21.8:925