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Patent for an oil tank that is fire proof and will not explode completely if it is struck by lightning.

Date: July 18, 1911

Creator: Price, James Bain

Partner: UNT Libraries Government Documents Department

Patent for a rotary drilling machine for drilling oil wells. Illustrations included.

Date: February 18, 1913

Creator: Black, Lee J.

Partner: UNT Libraries Government Documents Department

Patent for a devices that transfers boxes from one point A to point B without any lifting from a person.

Date: January 18, 1916

Creator: Drake, Rollin L.

Partner: UNT Libraries Government Documents Department

Patent for a clothes drier that is constructed to surround a stove or heater.

Date: April 18, 1916

Creator: Gallsworthy, Benjamin

Partner: UNT Libraries Government Documents Department