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Fluid-Clutch

Description: Patent for a fluid-clutch that prevents jarring when the clutch is taken off.
Date: July 2, 1912
Creator: Carpenter, John C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Flap-Valve

Description: Patent for a flap valve for use in blowing engines that increases the life of the valve plates.
Date: April 2, 1912
Creator: Scott, Clarence N.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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