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Car Coupler.

Description: Patent for car coupler heads. This object has coupler heads that, when set in position, automatically lock.
Date: September 11, 1923
Creator: Tucker, Roger V.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a cotton-chopper with two disk-cutters mounted to a supporting frame, which can be positioned parallel or at an angle to each other. Each disk-cutter is attached by a projecting arm, which provides foot support and allows each disk to be operated independently. Patent includes illustrations.
Date: November 23, 1920
Creator: Jones, John W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Fire-Engine.

Description: Patent for "an apparatus for extinguishing the fire in oil wells and the principal object of the invention is the provide means for creating a suction at the mouth of the well for extinguishing the fire."
Date: August 31, 1920
Creator: Smith, Paul E.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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