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

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1. Classification of patents issued June 7-Nov. 29, 1949.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1949.]
SuDoc number:: C 21.5/a 1:623/1-628/5

2. Classification of patents issued Dec. 7, 1948-May 31, 1949.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948-49.]
SuDoc number:: C 21.5/a 1:617/1-622/5

3. Classification of patents issued June 1-Nov. 30, 1948.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1948.]
SuDoc number:: C 21.5/a 1:611/1-616/5

4. Classification of patents issued Dec. 2, 1917-May 25, 1948.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1947-48.]
SuDoc number:: C 21.5/a 1:605/1-610/4

5. Classiflcation of patents issued June 17-Nov. 18, 1947.

Corporate/Agency Authors:: Patent Office and Commerce Dept.
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.5/a 1:599/3-604/4

6. Patents. Classification of patents issued Jan. 7-June 10, 1947.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1947.]
SuDoc number:: C 21.5/a 1:594/1-599/2

7. Patents. Classification of patents issued Jan. 1.-June 25, 1946.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1946.]
SuDoc number:: C 21.5/a 1:582/1-587/4

8. Patents. Classification of patents issued July 2-Dec. 31, 1946.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1946.]
SuDoc number:: C 21.5/a 1:588/1-593/5

9. Patents. Classification of patents issued Jan. 2-June 26, 1945.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.5/a 1:570/1-575/4

10. Patents. Classification of patents issued July 3-Dec. 25, 1945.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1945.]
SuDoc number:: C 21.5/a 1:576/1-581/4

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