Resource Type
Counties
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Boll Weevil Catcher
The objective of the invention is to improve to catching and destroying boll weevils with a device that is easily attached to a cultivator. This device includes "receptacles filled with an insect destroying liquid." (lines 23-24).
Date:
July 5, 1921
Creator:
Ploch, Alex
System:
The Portal to Texas History
Railroad Crossing Signal.
Patent for a railroad crossing signal. The device is created so that the highway signal can be automatically raised or lowered at the crossing by a passing train.
Date:
December 13, 1921
Creator:
Ridout, Horace J.
System:
The Portal to Texas History
Liquid-Fuel Burner.
Patent for improvements in liquid fuel burners that can handle intense heat and can be mass-produced.
Date:
September 27, 1921
Creator:
Hosek, Charles
System:
The Portal to Texas History