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Liquid-Fuel Burner.

Description: Patent for improvements in liquid fuel burners that can handle intense heat and can be mass-produced.
Date: September 27, 1921
Creator: Hosek, Charles
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Railroad Crossing Signal.

Description: 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.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department

Boll Weevil Catcher

Description: 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
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
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