Plastic window ventilator
United States Patent 2484769
US Patent References:
/0097269.html
- - 0097269
Window ventilator
- - 1482915
Window-ventilating device
- - 1509569
Window screen
- - 1879534
Grille for air circulators
- - 2290713
/0097269.html
- - 0097269
Window ventilator
- - 1482915
Window-ventilating device
- - 1509569
Window screen
- - 1879534
Grille for air circulators
- - 2290713
Inventors:
Maude, Wolters
Publication Date:
10/11/1949
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Export Citation:
Assignee:
Maude, Wolters
Primary Class:
Other Classes:
52/581, 52/473, 454/221, 160/229.100, 160/107, 52/DIG.002, D25/57
International Classes:
E06B7/082; F24F13/08; E06B7/02
US Patent References:
| 2290808 | Window guard and screen |