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Derrick.

Description: Patent for improvements to derricks for oil wells.
Date: June 9, 1920
Creator: Babek, Frank
Partner: UNT Libraries Government Documents Department

Shelving

Description: Patent for a shelving unit designed to display books for sale in a storefront, including illustrations.
Date: June 22, 1920
Creator: Wieman, Herman A.
Partner: UNT Libraries Government Documents Department

Piston-Ring.

Description: Patent for metallic piston rings to allow for expansion and contraction without leakage.
Date: June 15, 1920
Creator: Jordan, Robert M.
Partner: UNT Libraries Government Documents Department

Tatting-Shuttle

Description: Patent for an improved tatting shuttle. This new shuttle will hold multiple bobbins and shuttles to carry multiple colors of threads.
Date: June 29, 1920
Creator: Wolle, Leonora
Partner: UNT Libraries Government Documents Department

Kettle-Furnace.

Description: Patent for a kettle furnace of simple construction; a kettle furnace comprising a sheet metal member having bolt openings disposed in pairs near the vertical edge.
Date: June 1, 1920
Creator: Sanders, Oscar Perdue
Partner: UNT Libraries Government Documents Department

Cultivator Tongue

Description: Patent for a a tongue that can be connected with a cultivator where the free lateral swinging of the tongue and the cultivator can be induced.
Date: June 15, 1920
Creator: Franklin, Iva A. & Mangum, Sam E.
Partner: UNT Libraries Government Documents Department

Tire-Oven.

Description: Patent for a device that heats wagon and buggy wheel tires that will warm them evenly.
Date: June 29, 1920
Creator: Howlett, Isaac C.
Partner: UNT Libraries Government Documents Department

Shocker.

Description: Patent for improving automatic grain shockers and cappers by adding adapted frames, with illustrations.
Date: June 15, 1920
Creator: Groves, Charles H.
Partner: UNT Libraries Government Documents Department

Liquid Fuel Burner

Description: Patent for fuel burner that can be dismantled and easily moved around the kitchen.
Date: June 20, 1920
Creator: Tucker, William A.
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

Crank-Axle Adjustment.

Description: Patent for a crank axle adjustment "to simplify and produce and efficient crank axle that will efficiently perform its function in connection with the general structure of a plow or cultivator." (lines 13-17)
Date: June 15, 1920
Creator: Kopplin, Otto E.
Partner: UNT Libraries Government Documents Department

Geometric Figure

Description: Patent for a sewing pattern for spherical objects, including illustrations.
Date: June 22, 1920
Creator: Miller, Emma Thornton
Partner: UNT Libraries Government Documents Department

Drill-Bit.

Description: Patent for improvements in drill bit constructions that allows the drill bit to be switched out and the new bit locked in so it is secure.
Date: June 22, 1920
Creator: Midgett, Penelton G.
Partner: UNT Libraries Government Documents Department

Railroad-Crossing Shock-Absorber.

Description: Patent for railroad crossings to protect the rails from contact with the vehicle wheels and to absorb the jar and vibration from passing vehicles over the crossing.
Date: June 15, 1920
Creator: Hargrave, Russell R.
Partner: UNT Libraries Government Documents Department

Burner.

Description: Patent for improvements in burners to allow them to use liquid fuel such as oil.
Date: June 1, 1920
Creator: Placette, Joeseph G.
Partner: UNT Libraries Government Documents Department

Penholder.

Description: Patent for a simplified construction of a pen holder which is inexpensive to manufacture. It detachably engages the pen point, prevents rusting and sticking. Releases pen point without user needing to grip, therefore avoiding sullying fingers.
Date: June 22, 1920
Creator: Baldwin, Charles E.
Partner: UNT Libraries Government Documents Department

Door Stop and Holder.

Description: Patent for an invention that relates to door stops and holders, with the object to limit the swinging of the door when opened and will also hold the door open when it is desired to maintain the same in a open position.
Date: June 29, 1920
Creator: Newsom, John Wesley
Partner: UNT Libraries Government Documents Department

Ignition Device.

Description: Patent for improvements in Ignition Devices. This device will assist in locating trouble when a multi-cylinder gasoline engine is not firing regularly and one cylinder is "missing".
Date: June 8, 1920
Creator: Wood, Robert N.
Partner: UNT Libraries Government Documents Department

Screening Device for Oil-Wells.

Description: Patent for improvements in a screening device for oil wells that is specially made for wells constructed in places of strong gas pressure.
Date: June 8, 1920
Creator: Houston, Sidney H.
Partner: UNT Libraries Government Documents Department

Quick-Adjustable Wrench.

Description: Patent for a quick-adjustable wrench "of novel and improved construction, as well as being thoroughly practical and efficient in use" (lines 10-14), including illustrations.
Date: June 20, 1920
Creator: Shoopman, Andrew
Partner: UNT Libraries Government Documents Department

Churning Device

Description: Patent for an improved churning device that provides a carrier for the churning receptacle, making manufacturing cheaper and operation easier.
Date: June 15, 1920
Creator: Thompson, Robert A. & Morris, Lute P.
Partner: UNT Libraries Government Documents Department

Bracket.

Description: Patent for an improvement on agricultural brackets that allow for easier and more secure connection and support to a variety of agricultural implements.
Date: June 8, 1920
Creator: Wright, Joseph Hansel
Partner: UNT Libraries Government Documents Department

Automatic Density-Indicator for Slime-Pulp Separators.

Description: Patent for devices that thickens slimes for ore milling operations in which it will indicate the density and regulate it so it will not go below a predetermined value.
Date: June 22, 1920
Creator: Allen, Charles
Partner: UNT Libraries Government Documents Department
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