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Reversible Chuck-Jaw.

Description: Patent for a reversible chuck-jaw that is " 'capable of wide adjustment, this flexibility of operation facilitating the application of the chuck jaw to various types of chucks." (lines 49-52)
Date: April 2, 1918
Creator: Miller, William J.
Partner: UNT Libraries Government Documents Department

Ring-Mandrel

Description: Patent for "new and useful improvements in ring mandrels, for use in shaping up and rounding and dressing bands of different diameters &c., &c." lines 15-18
Date: April 30, 1918
Creator: Hinson, James
Partner: UNT Libraries Government Documents Department

Fire-Spreading Device

Description: Patent for a portable weapon to spread fire quickly from object to object or building to building in enemy country.
Date: February 18, 1919
Creator: Ford, Frederick William
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for a simple live trap suitable for use both on land and in water.
Date: February 10, 1920
Creator: Peavy, Josiah
Partner: UNT Libraries Government Documents Department
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