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Wrench
Patent for improved construction and function of wrenches. Improvements include a more simple, durable, and inexpensive method of construction and arrangement of the adjustable jaw as to allow a single hand to hold and adjust the wrench simultaneously.
Date:
July 29, 1913
Creator:
Ashliman, Adolph E.
System:
The Portal to Texas History
Maize Header and Cutter.
Patent for a new and improved hand-operated implement designed for cutting heads of Kafir corn or maize in a more simple and efficient manner, including illustrations.
Date:
August 29, 1916
Creator:
Grindstaff, Isaac S. & Johnson, Luke
System:
The Portal to Texas History