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Door-Stop.

Description: Patent for a door stop, which is made of metal and attaches easily to the door.
Date: March 16, 1909
Creator: Snowden, Rene Ravenel
Partner: UNT Libraries Government Documents Department

Scaffold-Jack.

Description: Patent for an adjustable scaffold jack with a platform.
Date: March 16, 1909
Creator: Schwilling, Jacob
Partner: UNT Libraries Government Documents Department
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