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Well-Screen Cleaner.

Description: Patent for cleaning well screens and preventing oil well pipes from clogging to improve production.
Date: June 7, 1921
Creator: Bashara, Samuel F.
Partner: UNT Libraries Government Documents Department

Packer for Wells

Description: Patent for a well packer, specifically for oil wells, for the purpose of facilitating the formation of watertight joints between outer and inner pipes.
Date: June 28, 1921
Creator: Fondren, Walter William
Partner: UNT Libraries Government Documents Department

Puncture-Proof Auto-Tire

Description: Patent for puncture-proof auto tires aimed at reducing (or eliminating entirely) automotive tire punctures and blowouts. The design prioritizes the protection and strengthening of tire walls for these purposes alongside a simplicity in design which lends itself toward (comparatively) low manufacturing costs.
Date: June 14, 1921
Creator: Fenley, Robert H.
Partner: UNT Libraries Government Documents Department

Trousers.

Description: Patent for altering trousers to fit all sizes. The ready made trousers are provided with extra material and openings that allow the materials to be adjusted.
Date: June 7, 1921
Creator: Reyes, Benjamin Cardenas
Partner: UNT Libraries Government Documents Department

Specification of Letters Patent.

Description: Patent for improvements in the seals for well screens to provide a permanent joint or seal between the screen and the casing with out blocking passage.
Date: June 21, 1921
Creator: Thomson, Alexander
Partner: UNT Libraries Government Documents Department

Treatment of Crude Petroleum for Purification.

Description: Patent for the purification of crude petroleum by separating impurities such as sand and clay using a heat treatment.
Date: June 7, 1921
Creator: Bostick, Joseph Wallace & Homer, Charles H.
Partner: UNT Libraries Government Documents Department

Sorghum Cutter.

Description: Patent for a machine to cut sorghum and similar standing crops
Date: June 7, 1921
Creator: Drgac, Charles
Partner: UNT Libraries Government Documents Department

Structural Unit.

Description: Patent for a structural unit for use in construction. It repurposes crushed metal containers to create a core covered by an outer shell made of cement or similar material.
Date: June 21, 1921
Creator: Lambert, John Raymond
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump plunger for oil or water that is durable and will not require replacement.
Date: June 7, 1921
Creator: Humason, Granville A.
Partner: UNT Libraries Government Documents Department

Pump.

Description: Patent for a pump designed to draw liquid, such as oil, from a well.
Date: June 14, 1921
Creator: Jones, Oceola
Partner: UNT Libraries Government Documents Department

Portable Electric Saw.

Description: Patent for improvement of portable electric saws that can be used "as readily and accurately as a hand saw in performing many different grades of work much more rapidly and with less physical exertion" (lines 17-20), including illustrations.
Date: June 7, 1921
Creator: Lange, David C.
Partner: UNT Libraries Government Documents Department

Safety-Lock For Doors and the Like.

Description: Patent for improvements in door safety locks. Adding this simple and easy to manufacture lock allows a door to be locked from the inside, making the door inaccessible to anyone on the outside.
Date: June 21, 1921
Creator: Kless, Herman L.
Partner: UNT Libraries Government Documents Department

Washing-Machine.

Description: Patent for a washing machine that has better water pressure for washing that prevents damage to garments. The design for the washing machine also reduces production costs.
Date: June 14, 1921
Creator: Latham, Minnie M.
Partner: UNT Libraries Government Documents Department

Water-Heater.

Description: Patent for a water heater with a two-part jacket that allows the circulation of heat and products of combustion to maximize its fuel efficiency.
Date: June 21, 1921
Creator: Fowles, Alfred T.
Partner: UNT Libraries Government Documents Department

Sign.

Description: Patent for signs, bulletin boards and other display apparatus; the purpose of this device is that display elements may be reversed from time to time to change announcement displayed.
Date: June 21, 1921
Creator: Nowlin, Aubrey C.
Partner: UNT Libraries Government Documents Department

Display-Stand.

Description: Patent for incorporating vertical shaft in display stands for posters advertising motion pictures and merchandise, with illustrations.
Date: June 23, 1921
Creator: Gates, Norwood
Partner: UNT Libraries Government Documents Department

Collar-Button.

Description: Patent for collar-buttons made of inexpensive, non-metallic material that when applied to bands of unusual commercial form, can adapt itself to the curvature of the band without obstructing the free adjustment of a tie in connection with the folded type of collar.
Date: June 21, 1921
Creator: Baldwin, Lawrence G.
Partner: UNT Libraries Government Documents Department

Demountable Rim

Description: Patent for a Demountable Rim designed for automobile wheels where a tire can be attached to the demountable rim, secured with fasteners on the rim then is can attach to the wheel itself.
Date: June 28, 1921
Creator: Beynon, Arthur B.
Partner: UNT Libraries Government Documents Department

Check-Writer.

Description: Patent for a new check-writer machine capable of typewriting bank checks and similar documents with two sets of type, allowing for the printing of payee names, numerical amounts, and word amounts in a single movement.
Date: June 28, 1921
Creator: Wendelken, Charles
Partner: UNT Libraries Government Documents Department

Collar Fastener or Clasp.

Description: Patent for a collar fastener that grips the opposite edges of a soft fabric collar in a neat and presentable manner.
Date: June 21, 1921
Creator: Kelly, Orson N.
Partner: UNT Libraries Government Documents Department

Automobile-Theft-Preventing Device

Description: Patent for an automobile theft preventing device which prevents the operation of the automobile by an unauthorized person and prevents the theft of thereof and can be controlled by the owner/authorized person permitting the operation of the automobile.
Date: June 7, 1921
Creator: Welliver, Percy
Partner: UNT Libraries Government Documents Department

Combination Furnace and Cook-Stove

Description: Patent for combination furnace and cook-stove designed to burn charcoal and conserve fuel.
Date: June 28, 1921
Creator: Weaver, Bertha H.
Partner: UNT Libraries Government Documents Department

Attaching-Ring.

Description: Patent for an attaching ring to connect a boiler to a water heater jacket that is described in pending application Serial No. 304,041.
Date: June 21, 1921
Creator: Fowles, Alfred T.
Partner: UNT Libraries Government Documents Department

Collar Fastener or Clasp.

Description: Patent for a collar fastener that will grip the flaps of a collar and maintain the curvature of the collar in a neat manner.
Date: June 21, 1921
Creator: Kelly, Orson N.
Partner: UNT Libraries Government Documents Department
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