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

Start Over Author Patent Office Catalog Issue Year Decade 1920 - 1929

461. Patents. Classification of patents issued Nov. 1-29, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:364/1-5

462. Patents. Classification of patents issued Oct. 4-25, 1927.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:363/1-4

463. Patents. Classification of patents issued Sept. 6-27, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:362/1-4

464. Patents. General information concerning patents.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1927
SuDoc number:: C 21.2:P 27/927

465. Patents. Index of patents issued from Patent Office, 1926.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1927
SuDoc number:: C 21.5/2:926

466. Patents. [Manual of classification of patents, 1923, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: I 23.2:C 56/4/923-p.183-184b

467. Patents. [Manual of classification of patents, 1923, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: I 23.2:C 56/4/923-p.45-170

468. Patents. [Manual of classification of patents, 1923] errata and minor correction sheet, Jan. 1-June 30, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: I 23.2:C 56/4/923-errata6

469. Patents. [Manual of classification of patents, 1923] errata and minor correction sheet, July 1-Dec. 31, 1926.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1927
SuDoc number:: I 23.2:C 56/4/923-errata 5

470. Patents.Manual of classification of patents, 1923, [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: I 23.2:C 56/4/923-p.235-235 a

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