U-lock security spacer
U-lock with strength enhacing header extensions
Unit lock installation jig
Universal actuator for door lock deadbolt
Universal adaptor for deadbolt
Universal apparatus for use with electronic and/or...
Universal door striker plate that permits continuous adjustment
Universal electronics lock
Universal lock and key
Universal lock assembly
Universal lock bar
Universal lock cylinder
Universal security system (u.s.s.)
Universal wrap security device
Upper sash detent latch for a double-hung window