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Tractor.

Description: Patent for an improvement in tractors that allowed adjustment to the tread or allowed distance between traction elements.
Date: February 10, 1920
Creator: Franklin, Floyd P.
Partner: UNT Libraries Government Documents Department

Steering-Adjuster for Automobiles.

Description: Patent for an automatic adjuster for the steering gear of a Ford automobile, for "attachment to the steering knuckle arms and the front radius yoke" (lines 12-13), improving wheel alignment and tension and reducing "wabbling movement" (line 46).
Date: August 10, 1920
Creator: Moulder, Duncan
Partner: UNT Libraries Government Documents Department

Grease Cup.

Description: Patent for a grease cup used to lubricate machine parts.
Date: January 10, 1920
Creator: Allen, Arthur Chester John
Partner: UNT Libraries Government Documents Department
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