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Well Drilling Bit.

Description: Patent for new and improved well-drilling bit. Illustration included.
Date: March 7, 1916
Creator: Marney, Robert A.
Partner: UNT Libraries Government Documents Department

Railway-Switch.

Description: Patent for a railway switch that is triggered by a shoe on a train car.
Date: February 7, 1911
Creator: Rousseau, Lawrence C.
Partner: UNT Libraries Government Documents Department

Food Tongs

Description: Patent for food tongs. The invention employs scoops. Illustration included.
Date: January 7, 1913
Creator: Wheeler, William H.
Partner: UNT Libraries Government Documents Department

Machine for Sharpening Cutlery.

Description: Patent for machine for sharpening cutlery that clamps object to be sharpened in a moveable carrier in position to be reciprocated between abrading members.
Date: November 7, 1911
Creator: Hunter, Joseph W.
Partner: UNT Libraries Government Documents Department
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