Air-tightening devices in folding doors and windows
Aircraft hangar door arrangement
Aircraft hanger door
Aircraft window assembly having a circular, rotatable lens
Aisle closer apparatus
Alignment device for bi-fold doors
Anchor apparatus for curtain cord
Anchoring device
Angle-controlling device for a venetian blind
Angled valances
Animal access door for screen doors
Animal gate, training membranes and method of training the anima
Anti-bacteria raisable goods-handling door
Anti-bow roller tube arrangement
Anti-bow roller tube housing assembly
Anti-falling safety device for a shutter
Anti-flap clamp
Anti-flapping device for window coverings
Anti-float system for operable partitions
Anti-glare window screen