Author: Patent Office / Catalog Issue Year Decade: 1940 - 1949 - Blacklight Search Results

Start Over Author Patent Office Catalog Issue Year Decade 1940 - 1949

1111. Patents. Classification of patents issued Jan. 7-28, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:522/1-4

1112. Patents. Classification of patents issued July 1-29, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:528/1-5

1113. Patents. Classification of patents issued June 3-24, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:527/1-4

1114. Patents. Classification of patents issued Mar. 4-25, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:524/1-4

1115. Patents. Classification of patents issued May 6-27, 1941.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:526/1-4

1116. Patents. Classification of patents issued Nov. 4-25, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:532/1-4

1117. Patents. Classification of patents issued Oct. 7-28, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a:531/1-4

1118. Patents. Classification of patents issued Sept. 2-30, 1941.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.5/a 1:531/1-5

1119. Patents. Index of patents issued from Patent Office, 1940.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: 1941
SuDoc number:: C 21.5/2:940

1120. Patents. United States patent law sesquicentennial celebration, record of proceedings commemorating 150th anniversary of signing of 1st United States patent law, 1790-April 10-1940.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1941.]
SuDoc number:: C 21.2:P 27/4

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