|
US1968125A
|
|
Skylight rib construction
|
|
US1905802A
|
|
Turret or window construction
|
|
US1772068A
|
|
Skylight construction
|
|
US1783406A
|
|
Ventilator
|
|
US1656044A
|
|
Skylight construction
|
|
US1429018A
|
|
Skylight construction
|
|
US1292706A
|
|
Window-operating mechanism.
|
|
US1262306A
|
|
Window-operating mechanism.
|
|
US1157760A
|
|
Self-locking window-operating device.
|
|
CA125736A
|
|
Sash operating mechanism
|
|
US941343A
|
|
Sash-operating mechanism.
|
|
CA111311A
|
|
Ventilator for windows
|
|
US874164A
|
|
Operating mechanism for ventilating windows.
|
|
CA271677A
|
|
Skylight
|
