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in creator/contributor: "Kemon, Solon C."  
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Dentistry

Description: Patent for a device to tighten and hold loose teeth to the jaw.
Date: November 11, 1902
Creator: Martin, George G.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Rotary Engine.

Description: Patent for an improved, simple, and effective rotary engine that economically uses steam and automatically controls steam discharge. "Two distinct rotary motions in reverse directions are obtained at the same time" (lines 16-18) in this engine.
Date: April 11, 1893
Creator: Walker, James C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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