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Combined Gun and Knife.

Description: Patent for a firearm that has a permanently-attached retractable bayonet.
Date: January 7, 1919
Creator: Tomanek, Josef
Partner: UNT Libraries Government Documents Department

Elevating-Truck.

Description: Patent for an elevating truck, which will improve the ability to use a hoist to lift heavy loads.
Date: January 16, 1912
Creator: Wadlington, David M.
Partner: UNT Libraries Government Documents Department

Watchmaker's Tool.

Description: Patent for a watchmaking tool that enables a roller jewel to be set in the balance-wheel of a watch with accuracy, and without removing the hair-spring or the roller table.
Date: January 8, 1918
Creator: Kethley, Jacob D.
Partner: UNT Libraries Government Documents Department
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