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Combination Heel-Sweep Plow.
Patent for an improved plow that can have "either first a whole heel sweep, or a right or left half heel sweep, second a whole solid sweep, or a right or left half solid sweep, third a right and left turn plow, or a right or left half turn plow" (lines 15-19).
Date:
February 28, 1893
Creator:
Dean, John Rowe
System:
The Portal to Texas History
Vehicle-Coupling
Patent for a vehicle coupling designed to allow vehicles to travel over rough terrain without incurring damage. Illustrations included.
Date:
September 28, 1909
Creator:
White, Joseph B.
System:
The Portal to Texas History