Adjustable hinging fitting for a door or window

Adjustable window assembly

Apparatus for opening and shutting a lid

Automatically operable automotive vehicle gate apparatus provide

Closure hardware

Closure support

Corner deflection assembly

Deviating device of a locking bar brace for a window or a door

Device capable of opening/closing a door at either side thereof

Device for the sutter-like and tilt-down opening of a window or

Door

Door opening and closing apparatus

Door opening and closing mechanism with dual pivot axis for...

Double swing door opening/closing mechanism

Double swing door opening/closing mechanism

Double-hung closure for access openings

Double-hung closure for access openings

Double-opening device of automobile doors

Dual axle linkage mechanism for door and casement window

Dual-opening mechanism of door