Latch and cylinder guard
Latch apparatus and method
Latch apparatus and method
Latch apparatus and method
Latch apparatus and method
Latch bolt operating device
Latch guard for outwardly opening doors
Latch mechanism
Latch mechanism for electronic locks
Latch security device
Latchbolt slide extension
Latching device and combination locking means
Lead-in device for aiding the installation of rim-type lock cyli
Lever lock
Lever lock safety device
Lever lock unit
Lever tumbler lock
Lever tumbler lock device having variable ward patterns
Lever-actuated combination locking apparatus
Lid device of double-sided auxiliary lock