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Valve For Internal-Combustion Engines.

Description: Patent for improvements on the piston sleeve valves of internal combustion engines which will supply power to the crank shaft. Includes instructions and illustrations.
Date: December 16, 1913
Creator: Morris, Otho A.
Partner: UNT Libraries Government Documents Department

Pneumatic Tire.

Description: Patent for pneumatic tire that is not susceptible to puncture, rim cut or blow out, including illustrations.
Date: December 16, 1913
Creator: Luck, John J.
Partner: UNT Libraries Government Documents Department

Hat-Fastener.

Description: Patent for a device to securely fasten a hat to the head of a person. The device is hidden from sight when worn, may easily be removed, and engages both the use of the hair and the shape of the head in it's operation.
Date: September 16, 1913
Creator: Miller, Emma T.
Partner: UNT Libraries Government Documents Department
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