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Safety-Casing Clamp

Description: Patent for a tool that supports the drilling and operating of oil and gas wells. Specifically, the patented tool allows a strong method of sealing the smaller casing inside the larger casing, as the larger casing is pulled out of the well. Includes illustrations.
Date: March 15, 1921
Creator: Angus, William M.
Partner: UNT Libraries Government Documents Department

Roller for Cotten-Gins.

Description: Patent for an improved cotton gin roller, to separate cotton fibers from cotton seeds. Made with a hollow design to prevent the device from becoming too hot during use.
Date: March 1, 1921
Creator: Tischer, Edward R.
Partner: UNT Libraries Government Documents Department

Perpetual Calendar.

Description: Patent for the improvement of calendars to create easier-to-read and quicker-to-adjust. These calendars were to be able to be used no matter the month or year and would always be accurate.
Date: February 1, 1921
Creator: Jones, L. Walter
Partner: UNT Libraries Government Documents Department

Game.

Description: Patent for a board game based on finance. The board game uses numbered discs that players own multiple quantities of that indicate their positions on the board.
Date: January 11, 1921
Creator: Sterling, Don L.
Partner: UNT Libraries Government Documents Department

Electric Edge Heel And Shank Setter.

Description: Patent for device setting heels and shanks for shoe manufacturing. It is an edged electric device with a rotary wheel.
Date: January 11, 1921
Creator: Lutes, William
Partner: UNT Libraries Government Documents Department

Cultivator Attachment.

Description: Patent for an attachment for the cutting of weeds and soil moving. It is designed to be attached to any cultivator or plow beam either singly or duplicated.
Date: February 1, 1921
Creator: Turner, Edwin E.
Partner: UNT Libraries Government Documents Department

Cotton-Picking Device

Description: Patent for cotton-picking device. The object of the invention is to provide a novel and improved device for picking cotton by hand. Patent is for the protection of the digits.
Date: January 25, 1921
Creator: Vincent, George Hilliard
Partner: UNT Libraries Government Documents Department

Cultivator-Fender.

Description: Patent for an improvement to cultivator-fenders that prevents rocks and other debris from being throws about while plowing.
Date: May 10, 1921
Creator: Calk, Alonzo E.
Partner: UNT Libraries Government Documents Department

Road Building Machine

Description: Patent for a road building machine comprised of multiple mechanisms including a blast furnace, mixing chambers, and chemical tanks.
Date: December 6, 1921
Creator: Austin, Stephen F.
Partner: UNT Libraries Government Documents Department

Parcel Carrier

Description: Patent for improvements in parcel carrier for automobiles.
Date: September 13, 1921
Creator: Campbell, William L.; Straughan, Augustus E.; Commons, A. J.; Weisman, S. & Winton, E. H.
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for a machine that can be drawn along a row of cotton to chop the adjacent plants and cultivate the ground under the machine. The device is height adjustable by the operator.
Date: April 12, 1921
Creator: Schwab, Bruno; Schneider, Richard & Hoegenauer, Haver
Partner: UNT Libraries Government Documents Department

Cotton-Chopper

Description: Patent for Cotton Chopper. To help in the aid of chopping cotton instead of using a hoe.
Date: March 1, 1921
Creator: Wilson, William J.
Partner: UNT Libraries Government Documents Department

Safety-Razor

Description: Patent for a razor held in place by a guard that protects the user against injury and the razor against dulling. The safety razor is easy to clean and is designed to be "cheaply and easily manufactured" (lines 21-22).
Date: July 5, 1921
Creator: Benton, Columbus A.
Partner: UNT Libraries Government Documents Department

Safety Medicine-Spoon

Description: Patent for a safety medicine spoon which can be carried over distance without spillage or loss of the contents held by the spoon, particularly aimed at helping medicate infants or weak patients without the potential for spillage. The design prioritizes easy cleansing and decontamination.
Date: September 13, 1921
Creator: Toler, Hubert
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

Sectional Rim

Description: Patent for a sectional rim, which provides a sectional demountable tire rim with interlocking means to easily actuate and separate so that the tire can be removed from or applied to the rim.
Date: May 31, 1921
Creator: Williams, Harry S.
Partner: UNT Libraries Government Documents Department

Tire-Tool.

Description: Patent for a tool designed for mounting pneumatic tires on wheel rims.
Date: April 26, 1921
Creator: Boone, Daniel M.
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

Toupee and Wig Retainer

Description: A patent for a single-sided adhesive that holds a toupee or wig in place on the scalp without causing built-up residue to adhere to the wig.
Date: May 17, 1921
Creator: Tapscott, John Christoper
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

Washing-Machine

Description: Patent for a Washing-Machine which includes a base, a rotary rubbing drum with a foraminous concave rubbing bed of flexible material on the lower portion of the drum. Adjustable springs attached to the rubbing drum vary the drawing tension of the flexible rubbing bed.
Date: April 5, 1921
Creator: Seifert, John W.
Partner: UNT Libraries Government Documents Department

Tractor

Description: Patent for improvements in tractors for farm and road work. Improvements include enclosing all working parts within a protecting housing, mounting the motor for rotation, balance the weight, provide a wheel carriage to adjust the width and height, and to provide shifting gears.
Date: April 26, 1921
Creator: Ingram, Joseph D.
Partner: UNT Libraries Government Documents Department

Sprinkling Device

Description: Patent for a lawn sprinkling device composed of multiple pipes that are configured into one self-sufficient structure. The discharge nozzle is angular and can be adjusted to point in different lawn areas.
Date: March 29, 1921
Creator: Gomez, Blas
Partner: UNT Libraries Government Documents Department

Waiterless Restaurant

Description: Patent for a waiterless restaurant design with electrically operated waiters.
Date: September 6, 1921
Creator: Paul, Charles P.
Partner: UNT Libraries Government Documents Department
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