Catalog Issue Year Decade: 1940 - 1949 / Sudoc Stem: C 21.5/a 1 - Blacklight Search Results

Start Over Catalog Issue Year Decade 1940 - 1949 Sudoc Stem C 21.5/a 1

51. Patents. Classification of patents issued Mar. 4-25, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:524/1-4

52. Patents. Classification of patents issued May 6-27, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:526/1-4

53. Patents. Classification of patents issued Nov. 4-25, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:532/1-4

54. Patents. Classification of patents issued Sept. 2-30, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:531/1-5

55. Patents. Classification of patents issued Apr. 2-30, 1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.5/a 1:513/1-5

56. Patents. Classification of patents issued Aug. 6-27, 1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.5/a 1:517/1-4

57. Patents. Classification of patents issued Dec. 3-31, 1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.5/a 1:521/1-5

58. Patents. Classification of patents issued Feb. 6-27, 1940.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.5/a 1:511/1-4

59. Patents. Classification of patents issued Jan. 2-30, 1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.5/a 1:510/1-5

60. Patents. Classification of patents issued July 2-30, 1940.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1940.]
SuDoc number:: C 21.5/a 1:516/1-5

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