Author: Commerce Department / Sudoc Stem: C 21.5/a 1 - Blacklight Search Results

Start Over Author Commerce Department Sudoc Stem C 21.5/a 1

51. Patents. Classification of patents issued Jan. 3-31, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:498/1-5

52. Patents. Classification of patents issued July 4-25, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:504/1-4

53. Patents. Classification of patents issued June 6-27, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:503/1-4

54. Patents. Classification of patents issued Mar. 7-28, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:500/1-4

55. Patents. Classification of patents issued May 2-30, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:502/1-5

56. Patents. Classification of patents issued Oct. 3-31, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:507/1-5

57. Patents. Classification of patents issued Sept. 5-26, 1939.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1939.]
SuDoc number:: C 21.5/a 1:506/1-4

58. Patents. Classification of patents issued Apr. 5-26, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:489/1-4

59. Patents. Classification of patents issued Aug. 2-30, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:493/1-5

60. Patents. Classification of patents issued Dec. 6-27, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:497/1-4

« Previous
Next »
1
2
3
4
5
6 Current Page, Page 6
7
8
9
10
…
19
20