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Utilizing Sulfur-Containing Petroleum.

Description: Patent for a method of removing sulfur from Beaumont petroleum and converting it into sulfuric acid.
Date: February 20, 1912
Creator: Robinson, Clarence I.
Partner: UNT Libraries Government Documents Department

Propeller

Description: Patent for a boat propeller that does not create a vacuum behind it and is more efficient than other propellers.
Date: July 23, 1912
Creator: Blake, David H.
Partner: UNT Libraries Government Documents Department

Trolly Wheel and Harp.

Description: Patent for trolley wheels, where "the transmission of the current through the wheel to the harp is maintained at the maximum and the necessary wear of the relatively movable parts reduced to a minimum" (lines 11-15).
Date: May 7, 1912
Creator: Neighbour, William W.
Partner: UNT Libraries Government Documents Department

Preserved Wood and Process of Making Same

Description: Patent for a process for preserving wood by treating it with various anti-septic chemicals mixed with oil that stops the wood from decaying for a long time.
Date: November 19, 1912
Creator: Ellis, Carleton
Partner: UNT Libraries Government Documents Department
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