UNT Libraries Government Documents Department - 6 Matching Results

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Cattle-Guard.

Description: Patent for a cattle guard consisting of pivoted metal plates, mounted longitudinally on rail ties that rock to an inclined position when stepped on by an animal. The displacement of the plates causes a portion of the plate to come into contact with the foot of the animal, frightening it and preventing the animal from crossing the cattle guard.
Date: October 21, 1913
Creator: Hagan, Francis D.

Loose Leaf Binder

Description: Patent for a loose leaf binder. The invention consists of two adjustable sections in order to lengthen or shorten the post. Illustration included.
Date: January 28, 1913
Creator: Bickley, William P.

Windmill

Description: Patent for Windmill that is adapted to be held in various positions. This Windmill device will be strong, durable, and easy to construct.
Date: June 10, 1913
Creator: Houston, John J.
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