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Window-Screen.

Description: Patent for improvements in screen constructions in connection with doors or windows. The goal is to provide a means for encouraging insects that are on the inner surfaces of the screen.
Date: January 20, 1920
Creator: McGeorge, Jefferson F.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper.

Description: Patent for improvements to Cotton-Choppers. The invention relates to the agricultural implements and more particularly to machines for thinning rows of cotton, whereby to prevent crowding of the plants and insuring a stocky growth which will under favorable condition produce a good crop.
Date: January 20, 1920
Creator: Ogden, James D.
Partner: UNT Libraries Government Documents Department

Shoe

Description: Patent for improving the design and comfort of footwear that uses a fastening strap across the top to allow the user to quickly put on and take off the shoe. The design will also aid in preventing and correcting foot ailments that can occur when the boot or shoe is used in situations that typical cause problems such as long hikes, marches, or standing.
Date: January 20, 1920
Creator: Mann, William L.
Partner: UNT Libraries Government Documents Department

Saw Gaging and Setting Tool.

Description: Patent for saw gaging and setting tool designed to be a simple and efficient way to gage and set saws blades. The invention can also be used for truing saw teeth.
Date: January 20, 1920
Creator: Barger, Bernard J.
Partner: UNT Libraries Government Documents Department

Elevator.

Description: Patent for an elevator used to lift pipe and other similar objects, the invention is designed to help drilling operations for oil wells.
Date: January 20, 1920
Creator: Steen, Buford J.
Partner: UNT Libraries Government Documents Department

Antifreezing Appliance for Water-Pipes.

Description: Patent for anti-freezing appliance for water supply and drain pipes of residences and buildings. The object is provide a device connected with the main and service lines of a hours supply water system for the purpose of avoiding interfering with the operation of the service.
Date: January 20, 1920
Creator: Davis, Thomas A.
Partner: UNT Libraries Government Documents Department

Combination-Flue.

Description: Patent for the improvement of combination flue to be more inexpensive and for the parts to be more readily assembled and properly supported.
Date: January 20, 1920
Creator: Carl, Reinhold Adolph
Partner: UNT Libraries Government Documents Department
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