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Antiskid Device

Description: Patent for reinforcing the hinge of an antiskid device. Long studs on heavy foot plates on tires are used to brace the hinges not allowing them to wear down by dragging on the road surface.
Date: February 17, 1920
Creator: Smith, Ross
Partner: UNT Libraries Government Documents Department

Combined Swingletree and Evener.

Description: Patent, including illustrations, for improvements to combined swingletrees and eveners, tools used to equalize strain between a draft animal and vehicle, "which is easily and simply constructed, inexpensive to manufacture, and one which will be very efficient in operation" (lines 22-25).
Date: March 16, 1920
Creator: White, Floyd N.
Partner: UNT Libraries Government Documents Department

Bank-Check Writer.

Description: Patent for a new and useful improvements in Bank-Check Writers. With this device, a blank check may be inserted and the name of the payee and the amount in figures will be typewritten.
Date: May 18, 1920
Creator: Wendelken, Charles
Partner: UNT Libraries Government Documents Department

Compound Air-Compressor.

Description: Patent for an improved Compound Air-Compressor by having four cylinders, in pairings of a high pressure and a low pressure cylinders. The air from the low pressure cylinder will be fed to the high pressure cylinder. The pistons will work in succession rather than simultaneously.
Date: February 17, 1920
Creator: Jones, Oceola
Partner: UNT Libraries Government Documents Department

Auto Steering-Lock

Description: Patent for a lock designed to attach to the spokes of a steering wheel with the intention of guarding it from "unauthorized persons" (line 20), including illustrations.
Date: June 1, 1920
Creator: Cosby, Luther F.
Partner: UNT Libraries Government Documents Department

Apparatus for Treatment of Oil Emulsions.

Description: Patent for improvements in apparatus for treatment of oil emulsions by providing a means that will greatly assist in the separation of water from oil emulsions and which will aid the re-absorption or retention of gas.
Date: January 13, 1920
Creator: McKibben, Charles W.
Partner: UNT Libraries Government Documents Department

Apparatus for Extracting Minerals from Ores.

Description: Patent for an apparatus that extracts minerals, especially sulfur, from ores. The apparatus features new and useful improvements, creating an automatic extraction that separates the minerals in a pure state.
Date: January 13, 1920
Creator: Shires, George M.
Partner: UNT Libraries Government Documents Department

Aeroplane.

Description: Patent for a new and useful airplane that provides the ability of the aircraft to take off from the ground at an abrupt angle. The aircraft has a supplemental propeller and jointed body to direct the machine upward in an abrupt ascent, making it especially useful in wooded areas or where obstructions prevent normal take-off.
Date: February 3, 1920
Creator: Cartwright, Andrew
Partner: UNT Libraries Government Documents Department

Attachment for Lister-Cultivators

Description: Patent for improvements in attachments to lister-cultivators. Illustration is included.
Date: October 12, 1920
Creator: Degge, Marvin E.
Partner: UNT Libraries Government Documents Department

Battery-Terminal-Fastening Device

Description: Patent for improvements to battery terminal fastening devices. Illustration is included.
Date: October 12, 1920
Creator: Hawkins, Alda F.
Partner: UNT Libraries Government Documents Department

Aeroplane-Kite.

Description: Patent for a new aeroplane-kite which can be "readily dismantled and folded for shipping and easily assembled and placed in position for flying without the use of numerous fastenings and detachable parts, thereby making for simplicity and practicability" (lines 12-17). Also includes wind tunnels and a fuselage frame which is so easily assembled that a child can do it.
Date: October 19, 1920
Creator: McLaughlin, James T.
Partner: UNT Libraries Government Documents Department

Adjustable Tire Mold

Description: Patent for a tire mold that improves the viability of a tire mold due to the adjustable levers used during the tire curing process.
Date: December 7, 1920
Creator: Hibbs, Cassell D.
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for an animal trap that allows an animal, most suitably animals of the rodent species, to enter a rectangular box from any of its four sides through a gate formed of downwardly inclined wires pivoted above each of said openings inside of the box. When an animal enters the trap, they are unable to leave because of the downwardly bent ends of transverse bars secured to the said inclined wires.
Date: November 2, 1920
Creator: Smith, James W.
Partner: UNT Libraries Government Documents Department

Air-Pump.

Description: Patent for a new and improved air pump capable of releasing air from the cylindrical casing in one motion. The updated design will also eliminate any lubricating oil from leaking into a tire.
Date: October 19, 1920
Creator: Lawley, Ira
Partner: UNT Libraries Government Documents Department

Band-Saw

Description: Patent for improving band-saws for lumber "which can be inexpensively produced, which will not readily crack or otherwise deteriorate in use" (lines 15-18) by "reinforc[ing] the gullets of the teeth that the tendency for cracks to form at this point will be reduced to a minimum" (lines 33-35).
Date: September 28, 1920
Creator: McCormick, Merton H.
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

Banjo.

Description: Patent for facilitating the safe packing, storage, and shipment of banjos and other similar musical instruments, including one illustration.
Date: September 14, 1920
Creator: Brown, Norman
Partner: UNT Libraries Government Documents Department

Anti-Agitating Device.

Description: Patent for anti-agitating device, including two figures describing said device, with illustrations. Author describes improvements for liquid dispensers on previous anti-agitating devices by altering the cylinder duties during its performance.
Date: February 3, 1920
Creator: Catron, John J.
Partner: UNT Libraries Government Documents Department

Battery-Plate and Terminal Connection

Description: Patent for improvements on a battery plate and terminal connections. Plate lugs and the terminal for the battery are a solid piece to fit more battery sizes and prevent the lugs from breaking off.
Date: May 4, 1920
Creator: Hawkins, Alda F.
Partner: UNT Libraries Government Documents Department

Air-Cushion Tire.

Description: Patent for improvement to the air-cushion tire in terms of resilience, and an improved structure.
Date: March 16, 1920
Creator: Williams, Harry S.
Partner: UNT Libraries Government Documents Department

Apparatus for Heating and Ripening Honey.

Description: Patent for a device that quickly heats and ripens honey, employing a hot water tank containing a pipe coil through which the honey is poured and strained upon exit.
Date: January 6, 1920
Creator: Mitchell, Henry A.
Partner: UNT Libraries Government Documents Department

Advertising Attachment for Scales.

Description: Patent for improvements in advertising attachments for scales to "provide an attachment of the character specified, wherein a series of display members are provided, mounted to be moved into different positions, to bring different matter into different positions, and controlled to movement by the stepping onto the weighing platform of the one to be weighed." (lines 11-18)
Date: July 13, 1920
Creator: Funk, Arthur Neal
Partner: UNT Libraries Government Documents Department

Battery Terminal Fastening

Description: Patent for fastening "the rubber caps or tops on the cells of storage batteries in various ways." (Lines 12-14.)
Date: May 5, 1920
Creator: Hawkins, Alda F.
Partner: UNT Libraries Government Documents Department
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