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Wire-Winding Machine

Description: Patent for a wire winding machine for making well screens.
Date: August 20, 1912
Creator: Eastham, Albert Lindsay
Partner: UNT Libraries Government Documents Department

Lifting Clamp for Well Casings

Description: Patent for a lifting clamp for well casings. It is designed to make the lifting of well casings easier and safer for those attaching the clamp to the lifting mechanism.
Date: July 3, 1917
Creator: Kibele, Eugene
Partner: UNT Libraries Government Documents Department

Hoisting Drum.

Description: Patent for an invention that "relates to improvements in hoisting drums" (line 15-16). Structure, objective, and illustrations of hoisting drums are included.
Date: July 3, 1917
Creator: Howard, Henry Fischer
Partner: UNT Libraries Government Documents Department

Cylinder for Cotton-Gins

Description: Patent for a cylinder for cotton gins that can have one disk removed for repair without taking apart the whole cylinder.
Date: August 13, 1912
Creator: Fuller, James T.
Partner: UNT Libraries Government Documents Department
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