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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
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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.
Item Type: Refine your search to only Patent
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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wire-stretching Tool.

Description: Patent for "a simple tool, easily manufactured and readily taken apart, which can be conveniently carried by one man, and with which he can stretch wire to the proper tension and readily fasten same, said tool being also adapted to be used in cutting wire and removing staples."
Date: September 14, 1920
Creator: Manly, Walter D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Wrench.

Description: Patent for a wrench specifically made to remove well drill bits from the drill.
Date: April 13, 1920
Creator: Stover, Willard L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Knife.

Description: Patent for a knife with multiple curved blades used to cut food.
Date: July 13, 1920
Creator: Oertli, Henri
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Truck.

Description: Patent for an improvement in trucks adapted for railroad use including handling baggage and freight and allowing the supporting wheels to be arranged with respect to the body of the truck so they can be moved longitudinally.
Date: May 25, 1920
Creator: Hall, James T.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Inlet-Grate

Description: Patent for an improved inlet grate, which has a supporting frame. This inlet grate will not be displaced by traffic or other disturbances.
Date: November 30, 1920
Creator: Fairtrace, George D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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