Resource Type
Counties
3 Matching Results
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Wheel.
Patent for a new wheel that preserves the life of its parts using oil or other lubricant that flows into grooves etched into rims from compartments between the felly sections.
Date:
April 21, 1914
Creator:
Hanna, Oscar Velandingham
System:
The Portal to Texas History
Traction Gang-Plow
Patent for a traction gang-plow. Illustration included.
Date:
April 12, 1910
Creator:
Johnson, Charles J.
System:
The Portal to Texas History
Cotton-Chopper.
Patent for a machine to thin and cultivate cotton plants without covering them with debris. Designed to be used with most cultivators and to be inexpensive to construct.
Date:
April 24, 1917
Creator:
Gunn, Jc. Christon
System:
The Portal to Texas History