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Insulator and Support

Description: Patent for an insulator and support for communication lines.
Date: May 28, 1912
Creator: Gressett, Lawrence F.
Partner: UNT Libraries Government Documents Department

Compound Valve

Description: Patent for an invention with improvements of devices that employed for controlling the flow of liquid under high pressure which simplify and improve the construction.
Date: October 28, 1918
Creator: Cherry, Joseph C.
Partner: UNT Libraries Government Documents Department
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