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Improvement in Gas-Liquefying Pumps.

Description: Patent for "the construction and arrangement of a pump used in ice-machines for liquefying [sic] the gas" (lines 12-14) including illustrations.
Date: March 21, 1876
Creator: Boyle, James
Partner: UNT Libraries Government Documents Department

Horn-Holding Shoe.

Description: Patent for the Horn-Holding Shoe. The Horn-Holding Shoe is removable and provides a design that allows the wearer an easier way to insert foot in shoe while providing a higher edge to the back of the shoe and does not interfere with walking or running.
Date: March 21, 1916
Creator: Lassig, Oswald J.
Partner: UNT Libraries Government Documents Department

Bat-Former

Description: Patent for a cotton bat former that produces a bat of uniform size and weight.
Date: March 21, 1911
Creator: Ball, Samuel M.
Partner: UNT Libraries Government Documents Department

Firearm

Description: Patent for an automatic gun which reloads itself.
Date: March 21, 1911
Creator: Consentino, Thomas
Partner: UNT Libraries Government Documents Department

Clothespin

Description: Patent for an improved version of the clothespin, which is simple to use, durable, and cheap to manufacture.
Date: March 21, 1922
Creator: Ingersoll, Charles James
Partner: UNT Libraries Government Documents Department
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