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Cranking Device

Description: Patent for cranking device to start internal combustion engines and designed specifically for automobiles.
Date: June 24, 1919
Creator: Harris, Irvin F.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Valve-Grinding Device

Description: Patent for a device that can simultaneously grind "several valves of a multi-cylinder engine or motor" (lines 11-12). This device allows the "ready interchangeability, repair and adjustment of the working parts" (lines 16-17).
Date: February 4, 1919
Creator: Lohec, Joseph C.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Nut Lock.

Description: Patent for an improved nut lock that prevents nuts from loosening. The invention is a combined nut lock and washer with spring plate, including illustrations.
Date: January 14, 1919
Creator: Teague, Isaac E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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