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Tire-Chain

Description: Patent for improved tire chains which can withstand greater strain.
Date: March 23, 1920
Creator: Fields, James A. & Witte, Jessie J.
Partner: UNT Libraries Government Documents Department

Charge-Moistening Device for Internal-Combustion Engines

Description: Patent for an attachment for cars. This attachment reduces carbon deposit in the cylinder and on the valves of the car.
Date: November 23, 1920
Creator: Smith, Charles W.
Partner: UNT Libraries Government Documents Department

Automobile-Tilting Machine.

Description: Patent for new and improved automobile jack that facilitates secured access to repair the underside of the automobile, including illustrations. Jack consists of a large frame, part of which is curved for tilting, water adjustable weight counterbalance, and wheel locking channels.
Date: March 23, 1920
Creator: Weimar, Fritz
Partner: UNT Libraries Government Documents Department
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