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

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

41. Patents. Classification of patents issued Mar. 3-31, 1942.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1942.]
SuDoc number:: C 21.5/a 1:536/1-5

42. Patents. Classification of patents issued May 5-26, 1042.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1942.]
SuDoc number:: C 21.5/a 1:538/1-4

43. Patents. Classification of patents issued Nov. 3-24, 1942.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1942.]
SuDoc number:: C 21.5/a 1:544/1-4

44. Patents. Classification of patents issued Oct. 6-27, 1942.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1942.]
SuDoc number:: C 21.5/a 1:543/1-4

45. Patents. Classification of patents issued Sept. 1-29, 1942.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1942.]
SuDoc number:: C 21.5/a 1:542/1-5

46. Patents. Classification of patents issued Apr. 1-29, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:525/1-5

47. Patents. Classification of patents issued Aug. 5-26, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:529/1-4

48. Patents. Classification of patents issued Dec. 2-30, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:533/1-5

49. Patents. Classification of patents issued Feb. 4-25, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:523/1-4

50. Patents. Classification of patents issued Jan. 7-28, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:522/1-4

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