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Wheel.
Patent for an improved wheel tire. The improvements to a conventional tire include multiple hinged springs which limit the movement of the wheel in two directions when contact is made with the ground. The wheel includes shoes placed concentrically around the wheel that provides shock absorption, better traction, and overall stability.
Date:
April 12, 1919
Creator:
Schmidt, Oscar J.
System:
The Portal to Texas History
Tractor
Patent for "novel features of construction and combinations of parts" in tractors to ensure a steady, even pace of travel and allow for traversing uneven landscape while maintaining a level setting, including illustrations and instructions.
Date:
April 23, 1918
Creator:
Altgelt, Herman E.
System:
The Portal to Texas History