Publish Year Decade: 1940 - 1949 / Sudoc Stem: C 21.12 - Blacklight Search Results

Start Over Publish Year Decade 1940 - 1949 Sudoc Stem C 21.12

11. Patents. [Manual of classification of patents, 1940, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.213, rev.-213a, etc.

12. Patents. [Manual of classification of patents, 1940, substitute pages containing, corrections.]

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.1-8, rev.-2

13. Patents. [Manual of classification of patents, 1940. substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.283b-283c, rev.-2, etc.

14. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, July 1-Dec. 31, 1944.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.12:940/errata 944-2

15. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, July 1-Dec. 31, 1944. [substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.123-124/rev., etc.

16. Patents. [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.265-266/rev.

17. Patents. [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.287-290, rev.

18. Patents. [substitute pages containing corrections].

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1945
SuDoc number:: C 21.12:940/p.235d-236, rev.-2, etc.

19. Patents. Alphabetical index to classification of patents to accompany Manual of classification of patents [1940], revised through order 3810, Apr. 4, 1944.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1944
SuDoc number:: C 21.12:940/ind./rev.

20. Patents. [Manual of classification of patents, 1940, substitute pages containing corrections.]

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1944
SuDoc number:: C 21.12:940/p.21, rev.-2, 21a, etc.

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