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Storage Battery.

Description: Illustration of a storage battery for patent.
Date: February 22, 1916
Creator: East, James W.
Partner: UNT Libraries Government Documents Department

Utilizing Sulfur-Containing Petroleum

Description: Patent for utilizing the sulfur content in petroleum obtained from oil. Illustrations included,
Date: February 20, 1912
Creator: Eggleston, John E.
Partner: UNT Libraries Government Documents Department

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

Finish-Remover.

Description: Patent for specifications of a finish-remover made with paraffin wax and other materials.
Date: February 22, 1916
Creator: Ellis, Carleton
Partner: UNT Libraries Government Documents Department

Stylographic Fountain-Pen.

Description: Patent for stylographic fountain pens to improve them by allowing the "ink to flow freely from the point of the pen" (line 35) and allowing easy, pressurized ink refills.
Date: February 3, 1880
Creator: Fisher, Charles N. & Downes, Charles L.
Partner: UNT Libraries Government Documents Department
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