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Window Shade

Description: Patent for "Improvements in Window-Shades" (line 6) including illustrations.
Date: February 10, 1920
Creator: Johnson, Charles G.
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

Gasoline Purifier

Description: Patent for improved Gasoline-Purifiers, based off of prior models.
Date: January 10, 1920
Creator: Harris, Ward Rolland
Partner: UNT Libraries Government Documents Department

Well-Drilling Device.

Description: Patent for adding a drilling stem to a well-drilling device, with illustration. This invention will improve operation of devices.
Date: February 10, 1920
Creator: Church, Walter Lee
Partner: UNT Libraries Government Documents Department

Comb.

Description: Patent for an electronic heating comb providing an electric heating element.
Date: November 10, 1920
Creator: Caneavri, Joseph Ping.
Partner: UNT Libraries Government Documents Department

Hydrocarbon-Burner.

Description: Patent for "new and useful improvements in Hydrocarbon-Burners" (lines 6-7) including instructions and illustrations.
Date: February 10, 1920
Creator: Wynne, William P. & Wynne, James Harry
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

Combination Swing and Couch.

Description: Patent for a piece of swinging furniture for infants and small children which can be converted between a seat and a couch. This device is designed to be collapsed and folded for easy storage, as well as to be cheap and easy to manufacture. Illustrations included.
Date: February 10, 1920
Creator: McDevitt, Leslie I.
Partner: UNT Libraries Government Documents Department

Linting Machine.

Description: Patent for a linting machine (Carver type) that contains an air pocket at the end of the passage to prevent cotton from clogging the machine.
Date: August 10, 1920
Creator: Woodrow, George N. & Bruce, Thomas D.
Partner: UNT Libraries Government Documents Department

Spring Wheel.

Description: Patent for a spring wheel with a pneumatic tire that neither punctures nor becomes flat. The spring wheel construction has springs between the inner and outer rims.
Date: August 10, 1920
Creator: Horne, Henry M.
Partner: UNT Libraries Government Documents Department

Machine for Extracting Liquid from Pulpous Material Machine

Description: Patent for Extracting Liquid from Pulpous Material Machine that extracts oils and liquids from the remaining pulpous material from the process of grinding and cooking cotton. The main goal of this machine is to extract oil from cotton seed meal.
Date: February 10, 1920
Creator: Kinney, William L. & Cagle, Wiiliam E.
Partner: UNT Libraries Government Documents Department

Automatic Train-Stopping Mechanism.

Description: Patent for an affordable and easily operable mechanical train stopper designed to be installed directly on a locomotive.
Date: August 10, 1920
Creator: Evans, Alva A.
Partner: UNT Libraries Government Documents Department

Dynamo Electric Machine

Description: Patent for Improvement of Dynamo-Electric Machines. The improvement turns electric energy into mechanical entry.
Date: August 10, 1920
Creator: Reynolds, William T. & Reynolds, Bruce A.
Partner: UNT Libraries Government Documents Department

Automobile-Rack.

Description: Patent for improved automobile racks that are elevated to accomplish the following tasks: removing paint from the automobile, and make the automobile more accessible during construction.
Date: February 10, 1920
Creator: Cleveland, David P.
Partner: UNT Libraries Government Documents Department

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

Trap.

Description: Patent for a simple live trap suitable for use both on land and in water.
Date: February 10, 1920
Creator: Peavy, Josiah
Partner: UNT Libraries Government Documents Department

Tool Joint.

Description: Patent for a screw-threaded tool joint used for drill pipes on rotary drilling rigs.
Date: August 10, 1920
Creator: Lyle, Henry Claude
Partner: UNT Libraries Government Documents Department
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