Publish Year Decade: 1920 - 1929 / Sudoc Stem: C 21.5/a 1 - Blacklight Search Results

Start Over Publish Year Decade 1920 - 1929 Sudoc Stem C 21.5/a 1

11. Patents. Classification of patents issued Oct. 2-30, 1928.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:375/1-5

12. Patents. Classification of patents issued Sept. 4-25, 1928.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 1:374/1-4

13. Patents. Classification of patents issued Apr. 5-26, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:357/1-4

14. Patents. Classification of patents issued Aug. 2-30, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:361/1-5

15. Patents. Classification of patents issued Dec. 6-27, 1927.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:365/1-4

16. Patents. Classification of patents issued Feb. 1-22, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:355/1-4

17. Patents. Classification of patents issued Jan. 4-25, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:354/1-4

18. Patents. Classification of patents issued July 5-26, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:360/1-4

19. Patents. Classification of patents issued June 7-28, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:359/1-4

20. Patents. Classification of patents issued Mar. 1-29, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 1:356/1-5

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