2-4-8 point hinge system
3d door hinge
A balance control system for a movable barrier operator
A chain operator housing
A combination of devices which facilitates the loading of...
A counterbalance spring mounting arrangement for a sash window
A countermeasure method and system for securing a remote...
A cremone-bolt door-locking device
A cylinder lock
A cylinder lock and key system using the cylinder lock
A cylinder lock-key-combination which includes a side bar;...
A cylinder lock-key-combination, a key therefor and a method...
A device for controlling a door
A device for controlling opening and closing of moveable...
A device for opening and closing a chamber in motor vehicles
A device for operating by motor a section door, a swinging...
A device for slowing the movement of a door, drawer or...
A discriminating mechanism for a pin tumbler lock
A door and/or a gate hinging system
A door closer