Handleset with adjustable latch retracting mechanism
Hatch with improved latch and hinge assembly
Heat activated spring loaded locking bolt for hinged doors and d
Heat triggered door jamming mechanism
Hidden latch security override system
High performance door latch mechanism for sliding doors
High security deadlocking door latch
High strength bolt assembly for doors and the like
Hold open device
Holding assembly for holding movable members
Horizontal motor-driven lock
Hospital latch
Hydraulic locking boltwork system