Collection
3 Matching Results
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3
Grub-Plow.
Patent for a grub plow with a better cutter, which can be adjusted to different depths of soil.
Date:
August 15, 1911
Creator:
Gardner, Eli J. & Odem, David
System:
The Portal to Texas History
Vehicle-Wheel.
Patent for a vehicle wheel that imitates a pneumatic tire.
Date:
October 24, 1911
Creator:
Goss, Charles E.
System:
The Portal to Texas History
Vermin Exterminator for Poultry.
Patent for a vermin exterminator for poultry that discharges an insecticide onto the chickens as they come in and out of the chicken house.
Date:
March 21, 1911
Creator:
Crawford, William Frank
System:
The Portal to Texas History