Latch assembly for a bifold cockpit door
Latch assembly system for operable wall panels
Latch for powered door assembly
Length-adjustable collapsible doorplate assembly
Lift gate
Lift link gate having a plurality of tabular gate elements
Lift link gate having a plurality of tabular gate elements
Lifting apparatus for a two-leaf folding flap or folding door
Lifting folding door
Locking and reinforcing mechanism for garage door
Locking device for a door system
Locking device for center fold hangar door
Locking system for sectional doors
Longitudinally sliding accordion door
Louvering overhead sectional door
Low head room overhead door system with adjustable short...