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Protective Runner for Cotton-Pickers' Sacks.

Description: Patent for a protective runner that protects the collection sack from being damaged as it is dragged. This design is meant to be quick and easy to attach and is shaped like a trough.
Date: November 14, 1922
Creator: Shipp, Charles E.
Partner: UNT Libraries Government Documents Department

Automatic Train-Stopping Mechanism.

Description: Patent for an affordable and easily operable mechanical train stopper designed to be installed directly on a locomotive.
Date: August 10, 1920
Creator: Evans, Alva A.
Partner: UNT Libraries Government Documents Department
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