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Wrench.

Description: Patent for a new and improved wrench, which is especially useful for machinists. The improvement to existing wrench technology is present in positions where a thin jaw wrench is necessary and in removing parts upon which an ordinary nut wrench, even thin jawed, would act.
Date: May 6, 1913
Creator: Seale, Jefferson, W.
Partner: UNT Libraries Government Documents Department

Oil or Gas Cooking-Stove

Description: Patent for a gas or oil cooking stove. The gas or oil cooking stove is designed to save fuel, maximize utilization of heat, and eliminate the smell of gas or oil in cooking.
Date: May 12, 1914
Creator: Seale, Jefferson W.
Partner: UNT Libraries Government Documents Department

Portable Liquid-Cooling Tank.

Description: Patent for a portable tank for transporting liquids, which has a compartment for ice to keep the liquids cool including instructions and illustrations.
Date: May 16, 1911
Creator: Ingram, Jonathan D.
Partner: UNT Libraries Government Documents Department

Paper Clip

Description: Patent for a paper clip. Illustration included.
Date: May 10, 1910
Creator: Galbraith, David G. & Galbraith, Nannie L.
Partner: UNT Libraries Government Documents Department

Mud-Drum for Boilers

Description: Patent for a mud drum for boilers to prevent the accumulation of sediment and mud in the water. Illustrations included.
Date: May 19, 1908
Creator: Stroope, Joseph
Partner: UNT Libraries Government Documents Department

Gate

Description: Patent for gates "suspended on rollers and mounted on a track."
Date: May 5, 1914
Creator: Butler, Joseph F.
Partner: UNT Libraries Government Documents Department

Baling Press

Description: Patent for a baling press. Illustration included.
Date: May 3, 1904
Creator: Key, William C. & Frost, Harvey N.
Partner: UNT Libraries Government Documents Department

Sash-Balance.

Description: Patent for improvements in window-sash balances, in which the two sashes are connected, “so that they will not only balance but also either may be raised or lowered without affecting the other.” (Lines 17-20) Illustration is included.
Date: May 26, 1891
Creator: Christian, James F.
Partner: UNT Libraries Government Documents Department

Elevator

Description: Patent for an elevator.
Date: May 12, 1903
Creator: Ham, James T.
Partner: UNT Libraries Government Documents Department

Convertible Neck Yoke and Swingletree

Description: Patent for a convertible neck yoke and swingletree. Illustration included.
Date: May 24, 1904
Creator: Hall, Thomas I.
Partner: UNT Libraries Government Documents Department

Burner

Description: Patent for a hydrocarbon oil burner. Illustrations included.
Date: May 3, 1910
Creator: Butler, Albert C.
Partner: UNT Libraries Government Documents Department

Adjustable Friction-Grab for Fishing-Tools.

Description: Patent for friction grabs for fishing tools in well drilling operations that can be "easily adjusted for different sized holes or wells and which will be automatically adjusted and the grabs automatically closed on the object to be removed" (lines 14-17).
Date: May 24, 1921
Creator: Dickson, Lawrence E.
Partner: UNT Libraries Government Documents Department
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