UNT Libraries Government Documents Department - 4 Matching Results

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Canopy-Frame.

Description: Patent for a canopy frame for any kind of drapery, including mosquito nets. The design is purported to be inexpensive and strong, using a thin metal support for the crossbeams.
Date: July 13, 1901
Creator: Johnston, Washington T.

Mold.

Description: Patent for a mold for viscous materials that are meant to be hardened in the mold or afterward. It is designed to be easily removed from the cast without damaging it.
Date: August 13, 1901
Creator: Parker, William Sink

Oil-Purifier

Description: Patent for "a construction wherein the oil may be quickly and economically heated to cause the impurities to separate from the oil" (lines 9-12).
Date: August 13, 1901
Creator: Carter, George Fitzhugh
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