Publisher: Patent Office / Publish Year Decade: 1930 - 1939 / Sudoc Stem: C 21.5/a 1 - Blacklight Search Results

Start Over Publisher Patent Office Publish Year Decade 1930 - 1939 Sudoc Stem C 21.5/a 1

1. 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

2. 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

3. 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

4. Patents. Classification of patents issued Feb. 1-22, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:487/1-4

5. Patents. Classification of patents issued Jan. 4-25, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:486/1-4

6. Patents. Classification of patents issued July 5-2C, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:492/1-4

7. Patents. Classification of patents issued June 7-28, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:491/1-4

8. Patents. Classification of patents issued Mar. 1-29, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:488/1-5

9. Patents. Classification of patents issued May 3-31, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:490/1-5

10. Patents. Classification of patents issued Nov. 1-29, 1938.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1938.]
SuDoc number:: C 21.5/a 1:496/1-5

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