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

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

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1944
SuDoc number:: C 21.12:940/p.23-24,rev.,etc.

22. 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.95,rev.-95a,etc.

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

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1944
SuDoc number:: C 21.12:940/p.270a-270d

24. Patents. [Manual of classification of patents, 1940] [substitute title page and other pages containing corrections.]

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

25. Patents. [Manual of classification of patents, 1940] design classes.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1944.]
SuDoc number:: C 21.12:940/design classes

26. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, Jan. 1-June 30, 1944.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1944.]
SuDoc number:: C 21.12:940/errata 944

27. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, July 1-Dec. 31, 1943.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1944.]
SuDoc number:: C 21.12:940/errata 943-2

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1943
SuDoc number:: C 21.12:940/p.291,rev.,etc.

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

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1943
SuDoc number:: C 21.12:940/p.125-126,rev.,etc.

30. Patents. [Manual of classification of patents, 1940] errata and minor correction sheet, Jan. 1-Jnne 30, 1943.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1943.]
SuDoc number:: C 21.12:940/errata 943

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