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Wheel
Patent for a wheel with a pneumatic tire designed so that it will not make contact with the ground, thus preventing wear and punctures. Illustrations included.
Date:
April 11, 1911
Creator:
Spoonts, Joseph L. & Eubank, Edwin M.
System:
The Portal to Texas History
Rotary Engine.
Patent for a rotary engine with a cut-off valve.
Date:
June 20, 1911
Creator:
Power, Kelcy L.
System:
The Portal to Texas History