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Lock

Description: Patent for a general lock but made especially for trunk locks. It adds a spring lock and preventative measures against lock picking.
Date: October 14, 1902
Creator: Kirk, Robert L.
Partner: UNT Libraries Government Documents Department

Trap.

Description: Patent for an animal trap, the unique elements of which are found in the "combination and arrangement of parts" (lines 16-17). Improvements include but are not limited to the addition of an open-ended case, a depressed platform and various links.
Date: October 9, 1917
Creator: Ward, Robert Gillespie & Clayton, John Taylor
Partner: UNT Libraries Government Documents Department
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