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Hydrocarbon-Burner

Description: Patent for a hydrocarbon burner. Illustrations included.
Date: July 25, 1911
Creator: Herpin, Edward Peter
Partner: UNT Libraries Government Documents Department

Switch Stand and Lock

Description: Patent for an improvement in switch-stand and locks, being that they cannot be picked or tampered with.
Date: July 21, 1914
Creator: Maupin, John D.; Allen, Harry E. & Baldwin, Springfield
Partner: UNT Libraries Government Documents Department
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