Block and tackle balance with integral, non-rotating pulley syst
Block system for doors, windows and the like with blocking membe
Blow-molded unitary thermoplastic threshold
Boltless glass channel attachment
Boom gate
Bottom offset door pivot and spline threshold
Bottom sweep and rail unit for foam-filled doors
Bottom wiper seal for a retractable car window
Bowden cable equipped window lift
Bowden cable-window lifter, especially for motor vehicles
Bowden tube window winder with compensation for cable length
Box car anti-pilferage device for plug doors
Box car door seal
Boxcar door having balsa core sandwich construction
Brace for holding a window sash in a wash position
Bracket apparatus for vehicle doors having no upper window frame
Bracket for counterbalanced garage door
Brake device with integrated anti-theft mechanism for garage...
Brake shoe for sash window or door assembly
Brake shoe for sash window or door assembly