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91. Centennial celebration of American patent system, 1836-1936, being complete summary of all speeches & data of banquet & proceedings of 160th anniversary of American patent system, Washington, Nov. 23, 1936.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1937.]
SuDoc number:: C 21.2:P 27/2

92. Patents. General information concerning patents, Apr. 1933.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [Reprint] 1936
SuDoc number:: C 21.2:P 27/933/rep.-2

93. Trade marks. General information about protection of trade-marks, prints, and labels. Revised Feb. 1, 1936.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1936
SuDoc number:: C 21.2:T 67/936

94. Patents. Supplement to General information concerning patents (pamphlet): Patent applications by foreign applicants.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [1935.]
SuDoc number:: C 21.2:P 27/933/supp.

95. Patents. General information concerning patents, Apr. 1933.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: [Reprint]. 1934
SuDoc number:: C 21.2:P 27/933-2

96. Trade-marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised July 1, 1933. 1933
SuDoc number:: C 21.2:T 67/933

97. Patients. General information concerning patents, Apr. 1933.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1933
SuDoc number:: C 21.2:P 27/933

98. Trade-marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised Aug. 1, 1932. 1932
SuDoc number:: C 21.2:T 67/932

99. Trade-marks. General information about protection of trade-marks, prints, and labels.

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: Revised May 1, 1931. 1931
SuDoc number:: C 21.2:T 67/931

100. Patents. General information concerning patents [Mar. 1931].

Corporate/Agency Authors:: Patent Office and Commerce Department
Publisher:: Patent Office
Date:: 1931
SuDoc number:: C 21.2:P 27/931

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