Detachable Inside Door-Lock.
Description:
Patent for a detachable inside door-lock. This is a simple locking device that can be applied and removed from any type of door. The purpose is to make a room private and burglar proof.
Date:
September 6, 1921
Creator:
Arledge, Elbert H.
Item Type:
Refine your search to only
Patent
Partner:
UNT Libraries Government Documents Department