Author: Patent Office / Catalog Issue Year Decade: 1930 - 1939 - Blacklight Search Results

Start Over Author Patent Office Catalog Issue Year Decade 1930 - 1939

201. Patents. Classification of patents issued Sept. 6-27, 1938. [substitute page containing corrections].

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.12:929/p.136a/rev.

202. Patents. Index of patents issued from Parent Office, 1937.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1938
SuDoc number:: C 21.5/2:937

203. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1938
SuDoc number:: C 21.12:929/p.153-156, rev., etc.

204. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1938
SuDoc number:: C 21.12:929/p.19-20, rev., etc.

205. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1938 reprint [with changes]
SuDoc number:: C 21.12:929/P 243-244/rev.rep.

206. Patents. [Manual of classification of patents, 1929, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1938
SuDoc number:: C 21.12:929/p 235-236A

207. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet [July 1-Dec. 31, 1937].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.12:929/errata 937-2

208. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, Jan. 1-June 30, 1938.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.12:929/errata 938

209. Pirani, Marcello. In Court of Customs and Patent Appeals, patent appeal no. 4088, in re Marcello Pirani and Hans Ewest, electric illuminating tubes; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.10:P 664/2

210. Prints and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.2/a:P 936

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