Author: Patent Office / Publish Year Decade: 1920 - 1929 - Blacklight Search Results

Start Over Author Patent Office Publish Year Decade 1920 - 1929

201. Patents. Classification of patents issued June 5-26, 1928.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:371/1-4

202. Patents. Classification of patents issued Mar. 6-27. 1928.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:368/1-4

203. Patents. Classification of patents issued May 1-29, 1928.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:370/1-5

204. Patents. Classification of patents issued Nov. 6-27, 1928.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:376/1-4

205. Patents. Classification of patents issued Oct. 2-30, 1928.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:375/1-5

206. Patents. Classification of patents issued Sept. 4-25, 1928.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:374/1-4

207. Patents. Index of patents issued from Patent Office, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1928
SuDoc number:: C 21.5/2:927

208. Patents. Patents without fees, act of Apr. 30, 1928, amending act of Mar. 3, 1883; [Reissue of defective patents, act of May 24, 1928, amending sec. 4916 R. S.].

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.2:F 32

209. Patents. [Manual of classification of patents, 1923] errata and minor correction sheet, July 1-Dec. 31, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: I 23.2:C 56/4/923-errata 7

210. Phipps, John T. In Court of Appeals of District of Columbia, Oct. term, 1928, patent appeal no. 2157, in re John T. Phipps, rotary core barrel and drilling bit; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1928
SuDoc number:: C 21.10:P 557

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