Author: Interior Department / Sudoc Stem: I 23.8/a 2 - Blacklight Search Results

Start Over Author Interior Department Sudoc Stem I 23.8/a 2

1. Inventions. Changes in classification [of inventions], order 2871 and 2872; June 19 and 20, 1924.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: [1924.]
SuDoc number:: I 23.8/a 2:924/1

2. Inventions. Changes in classification [of inventions], order 2885 and 2886; Oct. 31, 1924.

Corporate/Agency Authors:: Patent Office and Interior Department
Publisher:: Patent Office
Date:: [1924.]
SuDoc number:: I 23.8/a 2:924/2