LandOfFree - US Patents - Listing for Movable or removable closures,With means to vary opening span or speed during movement

Movable or removable closures – With means to vary opening span or speed during movement

Checking device for roller supported doors

Movable or removable closures – With means to vary opening span or speed during movement

Drive and track apparatus for variable speed closure

Movable or removable closures – With means to vary opening span or speed during movement

Drive mechanism for fully-automatic opening and closing of a sli

Movable or removable closures – With means to vary opening span or speed during movement

Drive unit for power operated vehicle closure

Movable or removable closures – With means to vary opening span or speed during movement

Moveable window unit having a noise reduction system

Movable or removable closures – With means to vary opening span or speed during movement

Pneumatically-powered mine door installation with hydraulic...

Movable or removable closures – With means to vary opening span or speed during movement

Power sliding door closer

Movable or removable closures – With means to vary opening span or speed during movement

Power sliding door closer

Movable or removable closures – With means to vary opening span or speed during movement

Swing-door operator system

Movable or removable closures – With means to vary opening span or speed during movement

Vehicle window regulator

Movable or removable closures – With means to vary opening span or speed during movement

Window lift mechanism

Movable or removable closures – With means to vary opening span or speed during movement

Window lifting and lowering apparatus