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Cultivating-Hoe.

Description: Patent for cultivating hoe in which operating segment is adapted to be multifaceted and prevent becoming dull.
Date: August 9, 1921
Creator: Church, Ralph D.
Partner: UNT Libraries Government Documents Department

Adjustable Flat Die.

Description: Patent for improved adjustable flat dies which provide different sizes of cutting dies to the cutting device.
Date: May 10, 1921
Creator: Wright, John G.
Partner: UNT Libraries Government Documents Department

Bridge Construction.

Description: Patent for '' bridge improvements, especially for placement over gutters, ditches, and alike ''
Date: June 21, 1921
Creator: McKenzie, Philip A.
Partner: UNT Libraries Government Documents Department

Broom.

Description: Patent for a broom that has replaceable straw sections.
Date: June 7, 1921
Creator: Blasingame, Frank P.
Partner: UNT Libraries Government Documents Department

Peanut-Digger.

Description: Patent for improvements to peanut-diggers, specifically a curved frame attached to a plow beam.
Date: July 5, 1921
Creator: Stevens, Shed P.
Partner: UNT Libraries Government Documents Department

Necktie-Holder

Description: Patent for improvements to necktie-holders, particularly to prevent the neck-tie from sliding down toward the lower portion of the collar.
Date: April 21, 1921
Creator: Potter, Arthur C.
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for wrenches that provides a means for engaging faces of the jaws to be renewed or changed. This improvement also allows for secure placement without loss of motion.
Date: August 2, 1921
Creator: Belcher, Mark
Partner: UNT Libraries Government Documents Department

Process of Distilling Hydrocarbons

Description: Patent for distilling hydrocarbons from crude petroleum oil.
Date: April 19, 1921
Creator: Averill, Willard C., Jr.
Partner: UNT Libraries Government Documents Department

Valve for Pumps.

Description: Patent of a valve used on deep well pumps; that my contain sand, shale or sediment
Date: June 7, 1921
Creator: Shevlin, Miles
Partner: UNT Libraries Government Documents Department

Grapple.

Description: Patent for improving grapples for regaining tools, particularly those that can be hidden and submerged.
Date: April 26, 1921
Creator: Ginter, James. C.
Partner: UNT Libraries Government Documents Department

Rock-Drill

Description: Patent for a rock drill design for quick drilling.
Date: August 16, 1921
Creator: Alford, Allen
Partner: UNT Libraries Government Documents Department

Flushing tank for siphon closets.

Description: Patent for flushing tanks to connect to siphon closets that is improvement vacuum
Date: June 21, 1921
Creator: Sweeny, John S.
Partner: UNT Libraries Government Documents Department

Antileak Composition.

Description: Patent for improvements in antileak composition in order to prevent leaks in liquid holding containers like radiators, boilers, etc.
Date: July 5, 1921
Creator: Shrum, Will N.
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for lock that is stronger when locked due to its unique structure and requires special knowledge to use, making it more secure against intruders.
Date: October 4, 1921
Creator: McGill, Wisdom
Partner: UNT Libraries Government Documents Department

Animal Trap.

Description: Patent for Animal Trap especially adapted for the extermination of mice and similar rodents.
Date: May 3, 1921
Creator: Fredrick, William
Partner: UNT Libraries Government Documents Department

Maize-Header.

Description: Patent for simple and efficient maize header which is easy to operate by positioning it in a way that it needs minimum effort to operate.
Date: May 17, 1921
Creator: Jordan, Andrew P.
Partner: UNT Libraries Government Documents Department

Adjustable End Die.

Description: Patent for improvements to adjustable end dies. These improvements allow convenient rethreading of bolts while it is engaged with an object.
Date: February 8, 1921
Creator: Wright, John G.
Partner: UNT Libraries Government Documents Department

Window-Sash Gearing and Lock

Description: Patent for a window sash mechanism that allows the upper and lower portions of a window to be adjusted and locked independently of each other.
Date: March 1, 1921
Creator: Peaden, William H.
Partner: UNT Libraries Government Documents Department

Vehicle Body Suspension

Description: Patent for the invention of a new and improved vehicle body suspension.
Date: January 25, 1921
Creator: Harper, William D.
Partner: UNT Libraries Government Documents Department

Liquid-Fuel Burner.

Description: Patent for improvements in liquid fuel burners that can handle intense heat and can be mass-produced.
Date: September 27, 1921
Creator: Hosek, Charles
Partner: UNT Libraries Government Documents Department

Wire-Stretcher.

Description: Patent for an adjustable wire stretcher.
Date: January 4, 1921
Creator: Tompkins, Walter L.
Partner: UNT Libraries Government Documents Department

Traction-Support.

Description: Patent for a traction board for placing under automobile wheels when stuck in sand or mud, and hanging device for carrying the boards when not in use.
Date: December 27, 1921
Creator: Gentry, Burney C.
Partner: UNT Libraries Government Documents Department

Oil-Stove

Description: Patent for improvements in oil burner stoves.Pertains more to oil stoves with movable burners so that the flame intensity can be adjusted or extinguished.
Date: May 10, 1921
Creator: Cook, Thomas Edward
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
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