Title:
Roof ventilator with removable hood
United States Patent 3093059
US Patent References:
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Inventors:
Metz, Peter P.
Publication Date:
06/11/1963
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Assignee:
NORTHWEST METAL PRODUCTS INC
Primary Class:
454/366
Other Classes:
454/358
International Classes:
E04D13/03; F24F7/02
US Patent References:
2875678Ventilators