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Automatic lock.

Description: Patent for a gate lock that automatically locks.
Date: March 24, 1924
Creator: Parker, Robert N.
Partner: UNT Libraries Government Documents Department

Process of Producing Tire-Patch Material.

Description: Patent for an improved tire patch material combination and production process, which results in less water absorption and better adhesion to the tire.
Date: May 11, 1920
Creator: Duffy, Clarence O.
Partner: UNT Libraries Government Documents Department

Tool-Holding Implement.

Description: Patent for a holding device specifically for hoe tools while being sharpened.
Date: May 11, 1920
Creator: Stoke, Josiah W.
Partner: UNT Libraries Government Documents Department

Pipe-Clamp.

Description: Patent for improved pipe grips, to be used for vises and similar gripping devices, with illustrations and explanations.
Date: August 6, 1918
Creator: Ponton, B. D.
Partner: UNT Libraries Government Documents Department

Merchandise-Cabinet

Description: Patent for a cabinet made up of concave bins to hold merchandise such as nails. The cabinet also has a removable chute for filling the bins with merchandise.
Date: June 13, 1911
Creator: Montgomery, Franklin M.
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

Drill Bit

Description: Patent for improvements in drill bits, particularly in the application used in drilling in soft formations, such as clay, gumbo, or similar material. The purpose of the invention is to provide a way to prevent the sticking of material to the drill and drill collar while the drilling operation is being performed.
Date: February 14, 1922
Creator: Childs, William L.
Partner: UNT Libraries Government Documents Department

Wire-Stretcher

Description: Patent for a lever to use for maintenance and repairs. The lever can be used to fix wired fences and has interchangeable features.
Date: August 9, 1921
Creator: Frank, Fred
Partner: UNT Libraries Government Documents Department

Wrench

Description: Patent for tools used for construction, plumbing, machinery, home renovations, and many more.
Date: February 27, 1923
Creator: Edwards, Charles R.
Partner: UNT Libraries Government Documents Department
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