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Ax-Sharpener

Description: Patent for an ax sharpener that can be attached to and removed from an ax head.
Date: January 5, 1915
Creator: Wilson, Friend A.
Partner: UNT Libraries Government Documents Department

Bell Collar.

Description: Patent for a new and improved collar. This design "consists in the combination of a flat metallic band, which passes over the top of the neck, two metallic blocks, which extend down opposite sides of the neck and are provided with locks, two perforated slides, which are connected together at their lower ends by a metallic loop . . . The object of [the] invention is to provide a bell-collar for animals, and which is not only adjustable in size, so as to be adapted to necks of different sizes, bu… more
Date: September 20, 1887
Creator: Marshburn, Joseph J.
Partner: UNT Libraries Government Documents Department

Wheel.

Description: Patent for a new vehicle wheel that has adjustable tire sections that can be placed while unexpanded to create a permanent fit, and also has interlocking components to prevent movement. It includes a text description with reference illustrations.
Date: April 25, 1916
Creator: La Croix, Cicero Hamilton
Partner: UNT Libraries Government Documents Department

Caurbureter for Explosive-Motors

Description: Patent for a carburetor for explosive motors designed with a measuring chamber for liquid hydro-carbon and a mixing chamber to regulate the amount of liquid hydrocarbon used to enrich the body of incoming air. Illustrations included.
Date: February 23, 1909
Creator: Slaughter, George W., Jr.
Partner: UNT Libraries Government Documents Department
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