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Plow Foot

Description: Patent for a plow or cultivator foot.
Date: December 19, 1916
Creator: Williams, Budicille B.
Partner: UNT Libraries Government Documents Department

Automatic Gas Valves

Description: Patent for automatic gas valve that will close if the pressure is detected to be too low.
Date: December 5, 1916
Creator: Chism, Sylvester J.
Partner: UNT Libraries Government Documents Department
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