Author: Commerce Dept. / Publisher: Patent Office / Sudoc Stem: C 31.10 - Blacklight Search Results

Start Over Author Commerce Dept. Publisher Patent Office Sudoc Stem C 31.10

1. In Court of Customs and Patent Appeals, patent appeal no. 5679, in re Delton R. Frey, lubricant; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 31.10:F 897/4