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

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

101. Patents. Classification of patents issued Jan. 7-28, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:390/1-4

102. Patents. Classification of patents issued July 1-29, 1930.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:396/1-5

103. Patents. Classification of patents issued June 3-24, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:395/1-4

104. Patents. Classification of patents issued Mar. 4-25, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:392/1-4

105. Patents. Classification of patents issued May 6-27, 1930.

Corporate/Agency Authors:: Patent Office
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:394/1-4

106. Patents. Classification of patents issued Nov. 4-25, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:400/1-4

107. Patents. Classification of patents issued Oct. 7-28, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:399/1-4

108. Patents. Classification of patents issued Sept. 2-30, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:398/1-5

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