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

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1. Trade-marks. Changes in classification of trade-marks [and inventions], order 2892, 2896-97; Jan. 12-Mar. 11, 1925.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1925.]
SuDoc number:: I 23.8/a 2:925/1

2. 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

3. 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