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Knee-Protector.

Description: Patent for a durable, sleeve-like knee protector which contours the knee for comfort and allows for easy application and removal. Includes instructions and an illustration.
Date: December 9, 1913
Creator: McCall, Dougald Bell
Partner: UNT Libraries Government Documents Department

Stalk-Cutting Attachment for Plows

Description: Patent for Stalk-Cutting attachment for Plows. Device is connected to machine to cut or chop stalks ahead of plow
Date: December 16, 1913
Creator: Sumrall, Navada W. & Bigham, Robert C.
Partner: UNT Libraries Government Documents Department

Track-Oiling Device

Description: Patent for a track oiling device that is operated by a train car. Illustrations included.
Date: February 25, 1913
Creator: Jones, Oscar W.
Partner: UNT Libraries Government Documents Department

Automatic Circuit-Control Apparatus

Description: Patent for an automatic circuit control that uses electro-magnetics. The invention is primarily used for making or breaking circuits.
Date: November 29, 1913
Creator: Barron, Melvil
Partner: UNT Libraries Government Documents Department
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