Resource Type
Counties
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Tire
Patent for an improvement to the tire. Designed to increase tire endurance.
Date:
December 19, 1919
Creator:
Brown, Archie E.
System:
The Portal to Texas History
Derrick.
Patent for improvements to derricks, specifically those used on the decks of ships and other vessels, to prevent the structure from becoming entangled with fall ropes or cables during operation.
Date:
August 19, 1919
Creator:
Scanlan, Thomas J.
System:
The Portal to Texas History