Publisher: Patent Office / Publish Year Decade: 1930 - 1939 - Blacklight Search Results

Start Over Publisher Patent Office Publish Year Decade 1930 - 1939

511. Patents. Classification of patents issued Oct. 5-26, 1937.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.5/a 1:483/1-4

512. Patents. Classification of patents issued Sept. 7-28, 1937.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.5/a 1:482/1-4

513. Patents. Index of patents issued from Patent Office, 1936.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.5/2:936

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.1-9/rev.2, etc.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.39-40/rev.-2, etc.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.75-75B/rev., etc.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1937
SuDoc number:: C 21.12:929/p.74A, rev., etc,

518. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, Jan. 1-June 30, 1937.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.12:929/errata 937

519. Patents. [Manual of classification of patents, 1929] errata and minor correction sheet, July 1-Dec. 31, 1936.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.12:929/errata 936-2

520. Pelzer, Harry L. In Court of Customs and Patent Appeals, patent appeal no. 3869, in re Harry L. Pelzer, art of cracking hydrocarbons; brief for commissioner of patents.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.10:P 369

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