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Trowel.

Description: Patent for "new and useful improvements in Trowels." (lines 8-9) including instructions and illustrations.
Date: March 2, 1920
Creator: Parker, Barton J.
Partner: UNT Libraries Government Documents Department

Tractor.

Description: Patent for improvements to the tractor with adjustable framework for the wheels (narrower or wider).
Date: March 23, 1920
Creator: Weaver, William S.
Partner: UNT Libraries Government Documents Department

Hulling-Machine

Description: Patent for hulling nuts of all sizes including peanuts. A hopper feeds the nuts in to rollers and the shells fall out the bottom while the nuts go down a chute to be collected.
Date: March 30, 1920
Creator: Sparks, James N.
Partner: UNT Libraries Government Documents Department

Hot-Air Mixer

Description: Patent for a device that will create hot air to be delivered to the manifold of gas-powered engines in motor vehicles when the operator pushes a plunger that will open an intake valve.
Date: March 9, 1920
Creator: Ingraham, Jerome H.
Partner: UNT Libraries Government Documents Department

Plow-Attachment.

Description: Patent for a turning plow attachment which prepares the soil to receive seed, whereby reducing labor.
Date: March 6, 1920
Creator: Miller, James Archie
Partner: UNT Libraries Government Documents Department

Pump

Description: Patent for an improvement to pumps. This pump is designed to facilitate pumping of materials from deep oil and water wells.
Date: March 20, 1920
Creator: Hunt, David
Partner: UNT Libraries Government Documents Department

Toy.

Description: Patent for a toy which features a rabbit figure that moves in such a way as to "simulate the galloping of a rabbit" (lines 61-62). Illustrations included.
Date: March 2, 1920
Creator: Fermier, Victor Emanuel
Partner: UNT Libraries Government Documents Department

Still and Still-Setting

Description: Patent for steam still improvements using an open steel frame for support of the still. This steel frame allows for heating by methods other then steam and easy access to the bottom plates of the still to see if there is leakage.
Date: March 30, 1920
Creator: Henderson, Herbert
Partner: UNT Libraries Government Documents Department

Tire-Filler.

Description: Patent for an improved tire filler "adapted to fit within a tire casing" (lines 5-6, p. 2), including illustrations.
Date: March 30, 1920
Creator: Huffman, Orla L.
Partner: UNT Libraries Government Documents Department

Unscrewing Device for Pipe-Joints.

Description: Patent for an unscrewing device for pipe-joints, in the event that the drill stem gets stuck while drilling wells. This invention allows the user to unscrew "the joints of the drill stem" and withdraw "the same without the use of the left hand threaded string of pipe" (lines 35-38).
Date: March 23, 1920
Creator: Edwards, Charles R.
Partner: UNT Libraries Government Documents Department

Tape Feeding And Checking Register

Description: Patent for an improved register that can verify transactions
Date: March 30, 1920
Creator: Greenwalt, Jesse Austin
Partner: UNT Libraries Government Documents Department

Tire-Chain

Description: Patent for improved tire chains which can withstand greater strain.
Date: March 23, 1920
Creator: Fields, James A. & Witte, Jessie J.
Partner: UNT Libraries Government Documents Department

Pipe-Tongs

Description: Patent for an improvement on the existing design of pipe tongs, the improvement will allow for one individual to hold the tongs, adjust the size around the pipes, and screw or unscrew the pipe alone. Previous designs required two or three individuals.
Date: March 9, 1920
Creator: Hill, Richard Dennie
Partner: UNT Libraries Government Documents Department

Planter Attachment.

Description: Patent for a seed planter attachment with an easily adjustable shovel.
Date: March 2, 1920
Creator: Sanders, Walter F.
Partner: UNT Libraries Government Documents Department

Furnace.

Description: Patent for a furnace capable of burning rice hulls, sawdust, chaff, and more "in connection with the boiler for generating steam and which will entirely consume such products without contaminating the surrounding air with the ashes given off" (lines 31-34).
Date: March 9, 1920
Creator: Ewing, William E.
Partner: UNT Libraries Government Documents Department

Cotton-Picking Nozzle.

Description: Patent for a new cotton picking nozzle that can be used with a suction device to pick cotton more efficiently, including illustrations.
Date: March 30, 1920
Creator: Taylor, Charles E.
Partner: UNT Libraries Government Documents Department

Signal-Light.

Description: Patent for "new and useful improvements in Signal-Lights." (lines 5-6) and "relates to improvements in signaling means." (lines 8-9) including illustrations.
Date: March 16, 1920
Creator: Thomas, Theodore G.
Partner: UNT Libraries Government Documents Department

Wire-Forming Machine.

Description: Patent for a wire forming machine that takes wire from an intake and automatically forms the wire into clothes pins. This machine also improves the wire feeding mechanism in older models of this type of machine, and it forms a ring that the pins can attach to for the purpose of suspending the pin from a clothes line.
Date: March 9, 1920
Creator: Werner, Henry E. & Mitchell, Jordan H.
Partner: UNT Libraries Government Documents Department

Molding Apparatus

Description: Patent for an improved model of a molding apparatus for producing blocks of concrete that is cheaper to manufacture and more durable and adjustable than its predecessor.
Date: March 20, 1920
Creator: Nelson, William E.
Partner: UNT Libraries Government Documents Department

Horseshoeing Device

Description: Patent for a horseshoeing device that immobilizes the horse's leg in multiple positions for ease of shoeing.
Date: March 2, 1920
Creator: Crumley, Birdie A.
Partner: UNT Libraries Government Documents Department

Direction-Indicator.

Description: Patent for a new useful improved direction-indication that will allow an operator of an automobile to indicate to traffic in front and rear the direction in which the operator will make it's turn. The indicator will also indicate when a stop is contemplated.
Date: March 16, 1920
Creator: Gmelin, Ernst W.
Partner: UNT Libraries Government Documents Department

Double-Lever Brake.

Description: Patent for "new and useful improvements in Double-Lever Brakes." (lines 6-7) and how the invention will provide more power to the brake and equally distribute that power. Includes illustrations.
Date: March 23, 1920
Creator: Roberts, George P.
Partner: UNT Libraries Government Documents Department

Deep-Well Pump

Description: Patent for a deep well pump. The pump allows for existing well casing can be adapted to support the pump and valves without being removed.
Date: March 2, 1920
Creator: Ligon, Arthur Lee
Partner: UNT Libraries Government Documents Department

Cushion Tire

Description: Patent for Cushion Tires. Each tire will have multiple chambers within it, so if one is punctured the remainder of the tire will continue to function and not deflate.
Date: March 16, 1920
Creator: Williams, Henry S.
Partner: UNT Libraries Government Documents Department
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