Publisher: Patent Office / Publish Year Decade: 1920 - 1929 / Sudoc Stem: C 21.5/a 6 - Blacklight Search Results

Start Over Publisher Patent Office Publish Year Decade 1920 - 1929 Sudoc Stem C 21.5/a 6

1. Inventions. Changes in classification [of inventions], order 3038, 3046 3051 3056-57, 3067-68; Jan. 13-Aug. 1, 1928.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 6:928/1

2. Inventions. Changes in classification [of inventions], order 3087, 3088, and 3090; Nov. 21-Dec. 13, 1928.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1928.]
SuDoc number:: C 21.5/a 6:928/2

3. Inventions. Changes in classification [of inventions], order 2990-94; Jan. 7-17, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 6:927/1

4. Inventions. Changes in classification [of inventions], order 2998-3000; Mar. 8-11, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 6:927/2

5. Inventions. Changes in classification [of inventions], order 3006-7, 3010-11; Apr. 12-May 9, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 6:927/3

6. Inventions. Changes in classification [of inventions], order 3013; June 9, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 6:927/4

7. Inventions. Changes in classification [of inventions], order 3024 and 3026; Sept. 26 and 28, 1927.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 6:927/5

8. Inventions. Changes in classification [of inventions], order 3027 and 3030; Oct. 18 and Nov. 8, 1927.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1927.]
SuDoc number:: C 21.5/a 6:927/6

9. Inventions. Changes in classification [of inventions], order 2944; Feb. 5, 1926.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1926.]
SuDoc number:: C 21.5/a 6:926/1

10. Inventions. Changes in classification [of inventions], order 2964; June 3, 1926.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1926.]
SuDoc number:: C 21.5/a 6:926/2

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