Key operated pin tumbler lock
Key or permutation operated lock
Key pad assembly
Key profile system
Key reader and identifier system
Key receptacle for an automotive vehicle
Key removable core body
Key retaining cylinder for a lock
Key retaining lock apparatus
Key safe for housing a key
Key safe having improved bar locking system
Key security system
Key settable, pick proof lock
Key slot illuminating device
Key spotter
Key stopper
Key storage and organization unit
Key storage lock box
Key trapping access control system and method
Key unit and switch body and door switch using the same