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Race-Track

Description: Patent for a dog race track where an artificial animal is chased by the dogs which then disappears underground at the end of its cable.
Date: February 11, 1913
Creator: Everett, Percy
Partner: UNT Libraries Government Documents Department

Spring Wheel

Description: Patent for a spring wheel. This invention is for vehicle wheels. It is designed to be adapted as a form of shocks.
Date: February 11, 1913
Creator: Mathiesen, Marius
Partner: UNT Libraries Government Documents Department

Register and Change-Returner

Description: Patent for a fare collecting machine that also returns change.
Date: February 11, 1913
Creator: Matthews, Louis T.
Partner: UNT Libraries Government Documents Department

Aeroplane

Description: Patent for an aeroplane. Illustrations included.
Date: February 11, 1913
Creator: Goodrich, Luman L., Jr.
Partner: UNT Libraries Government Documents Department
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