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Rotary Engine

Description: Patent for a rotary engine. Illustration included.
Date: November 7, 1905
Creator: Kelly, George A.
Partner: UNT Libraries Government Documents Department

Rotary Engine

Description: Patent for a rotary engine. Illustration included.
Date: November 7, 1905
Creator: Kelly, George A.
Partner: UNT Libraries Government Documents Department

Screen

Description: Patent for a screen for doors that can be shipped and sold in a manner that it can be readily assembled. Illustration included.
Date: November 13, 1906
Creator: Pinkham, Delmar D.
Partner: UNT Libraries Government Documents Department
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