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

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

91. Patents. Classification of patents issued Mar. 3-31, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.5/a 1:404/1-5

92. Patents. Classification of patents issued May 5-26, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.5/a 1:406/1-4

93. Patents. Classification of patents issued Nov. 3-24, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.5/a 1:412/1-4

94. Patents. Classification of patents issued Oct. 6-27, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.5/a 1:411/1-4

95. Patents. Classification of patents issued Sept. 1-29, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1931.]
SuDoc number:: C 21.5/a 1:410/1-5

96. Patents. Classification of patents issued Apr. 1-29, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:393/1-5

97. Patents. Classification of patents issued Aug. 5-26, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1930
SuDoc number:: C 21.5/a 1:397/1-4

98. Patents. Classification of patents issued Dec. 2-30, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:401/1-5

99. Patents. Classification of patents issued Feb. 4-25, 1930.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930.]
SuDoc number:: C 21.5/a 1:391/1-4

100. Patents. Classification of patents issued Jan. 6-27, 1931.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1930-31.]
SuDoc number:: C 21.5/a 1:402/1-4

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