Author: Patent Office / Publish Year Decade: 1920 - 1929 / Sudoc Stem: I 23.13 - Blacklight Search Results

Start Over Author Patent Office Publish Year Decade 1920 - 1929 Sudoc Stem I 23.13

1. Rules of practice in Patent Office.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: Revised Jan. 1, 1916 Reprint [with changes] Oct. 25, 1924
SuDoc number:: I 23.13:924