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Universal Household Grater.

Description: Patent for a new universal grater which eliminates the risk of injury the user may gain from grating materials.
Date: April 4, 1922
Creator: Lambdin, William McKendree
Partner: UNT Libraries Government Documents Department

Lock.

Description: Patent for lock that is stronger when locked due to its unique structure and requires special knowledge to use, making it more secure against intruders.
Date: October 4, 1921
Creator: McGill, Wisdom
Partner: UNT Libraries Government Documents Department
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