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Shaft Bearing.

Description: Patent for Improvements in Shaft Bearing. This bearing shaft is used to withstand heavy thrusts.
Date: August 24, 1920
Creator: Ball, Authur T.
Partner: UNT Libraries Government Documents Department

Door-Hook.

Description: Patent for a low-cost door hook designed for securing screen doors in a closed position which may be operated from either side of the door.
Date: August 30, 1921
Creator: Randazzo, Lillian
Partner: UNT Libraries Government Documents Department
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