|
US2072077A
|
|
Casement window operating means
|
|
US2072083A
|
|
Casement window operating means
|
|
US2113959A
|
|
Window frame and sash construction
|
|
US2106081A
|
|
Casement window operating means
|
|
US2096596A
|
|
Casing for ventilating and air treating apparatus
|
|
US2053206A
|
|
Automobile air cooling means
|
|
US2115472A
|
|
Automobile air conditioning means
|
|
US2059436A
|
|
Operator for counterbalanced windows
|
|
US2074622A
|
|
Ventilating and air treating provision
|
|
US2112221A
|
|
Ventilating and air treating unit
|
|
US2029610A
|
|
Window ventilator
|
|
US2060764A
|
|
Ventilating apparatus
|
|
US1949379A
|
|
Ventilating and air treating apparatus
|
|
US1908285A
|
|
Central hinged window
|
|
US1858983A
|
|
Window frame and sash
|
|
US1848045A
|
|
Positioning means for window stools
|
|
US1848043A
|
|
Sealing mechanism for windows
|
|
US1867807A
|
|
Heating apparatus
|
|
US1853845A
|
|
Absorbent weather stripping for windows
|
|
US1883544A
|
|
Attachment hook for safety belts
|
