11 Matching Results

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Railway-Switch.

Description: Patent for an improvement to railway switches, by creating an automatic switch that changes the direction of a track from object while object is moving on track.
Date: January 13, 1914
Creator: James, Samuel
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for an improved wrench which utilizes two circular heads, individually situated at the ends of a single handle.
Date: January 13, 1914
Creator: Johnson, Alva Putman
Partner: UNT Libraries Government Documents Department

Vehicle-Wheel.

Description: Patent for a vehicle wheel that improves on automobile pneumatic tires by having a "plurality of springs," with a rigid inner rim and an outer rim connected with these springs so as to absorb the force of any shock. The design is strong, simple, and durable.
Date: January 13, 1914
Creator: Wylie, Alfred R. & Wright, James G.
Partner: UNT Libraries Government Documents Department

Pump Piston

Description: Patent for an "Improvement in Pump-Pistons" (lines 5-6) including illustrations.
Date: January 13, 1920
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Gin

Description: Patent for a gin that will strip fiber from the seed, "motes", and other "foreign bodies" (lines 27-28) without damaging the fiber.
Date: January 13, 1920
Creator: Tischer, Edward R.
Partner: UNT Libraries Government Documents Department

Rein-Guide

Description: Patent for rein guides to support a harness and guide horses. The device yields little space during storage and transportation.
Date: January 13, 1903
Creator: Johnston, Nathan
Partner: UNT Libraries Government Documents Department
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