Title:
Closure type screened ventilator
United States Patent 2995079
Inventors:
Fontaine, William LA. E.
Publication Date:
08/08/1961
Export Citation:
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Assignee:
Fontaine, William LA. E.
Primary Class:
454/292
International Classes:
F24F13/12; F24F13/10
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US Patent References:
2828683Ventilating apparatus
2553866Intake ventilating hood
2525371Vent shutter grille
1865677Sound deadener
0856926N/A
0848917N/A
0318912N/A