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Corn-Topper.
Patent for corn-toppers for cutting off the heads of Kafir corn, milo maze, and other similar grain plants.
Date:
August 28, 1917
Creator:
Pletcher, Thomas S.
System:
The Portal to Texas History
Air Pump
Patent for an air pump designed to have a strong cylinder and be able to equal quantities of air upon both the upward and downward motion of the piston.
Date:
October 28, 1919
Creator:
Keating, P. W.
System:
The Portal to Texas History