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Car Coupling

Description: Patent for a new and useful improvements in Car couples. This invention "relates to automatic car couples, and more particularly to that class known as " swing-pin" couples" (line 11 - 13).
Date: November 16, 1897
Creator: Gillespie, Charles W.
Partner: UNT Libraries Government Documents Department

Clutch Clamp.

Description: Patent for a new and improved clutch-clamp. This design "is to provide a simple and effective device for lowering or hoisting the pipe or rods of pumps into bored wells or other places, such as mines or shafts, and without injury to the pipe or rod, such device being not only readily and easily handled in connecting it to or disconnecting it from the object to be raised or lowered, but capable of being manufactured at comparatively small cost" (lines 20-29).
Date: August 16, 1887
Creator: McCoy, John William
Partner: UNT Libraries Government Documents Department

Powder Blower

Description: Patent for a new and improved powder blower used to insert powder medicine into the vagina, including illustrations and instructions.
Date: April 1, 1913
Creator: Woodward, Mortimer Lee
Partner: UNT Libraries Government Documents Department

Counterbalancing Device for Pumps.

Description: Patent for a counterbalancing device for windmill pumps, which reduces friction and lateral pull on the pump.
Date: March 9, 1909
Creator: Cotten, Charles Kavendor
Partner: UNT Libraries Government Documents Department

Adjustable and Detachable Bow for Spectacles.

Description: Patent for a temple bow for spectacles which is secured to a lens frame and is adjustable to “accommodate the angle of vision of the wearer” (lines 89-90). The connection joints between the bow and lens frame allows adjustment without bending or twisting the bow, providing a more durable bow and frame.
Date: January 13, 1914
Creator: Blanchard, Edward
Partner: UNT Libraries Government Documents Department

Cotter-Pin Puller

Description: Patent for cottor-pin puller that is useful to pull cotter pins that are secured in shafts, fly wheels or any other devices without bending or twisting or damaging them.
Date: October 31, 1916
Creator: Hayden, Jefferson B.
Partner: UNT Libraries Government Documents Department

Apparatus for Molding Hollow Concrete Walls

Description: Patent for an apparatus that is a mold for crafting hollow concrete walls. Illustration included.
Date: December 21, 1909
Creator: Nelson, William E.
Partner: UNT Libraries Government Documents Department

Air Pump

Description: Patent for an air pump for the delivery of air to the tire of a wheel.
Date: April 15, 1913
Creator: Scott, Charles Mack
Partner: UNT Libraries Government Documents Department

Animal-Trap.

Description: Patent for an animal trap meant to trap animals that burrow in the ground, such as prairie dogs. The trap catches the animal when it leaves its den and the animal cannot escape the trap.
Date: April 25, 1893
Creator: Manning, James
Partner: UNT Libraries Government Documents Department
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