Ventilating ceiling and resilient foam sealing means therefor
United States Patent 3325954

Inventors:
Olson, Kern C.
Publication Date:
06/20/1967
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Assignee:
WOOD CONVERSION CO
Primary Class:
52/302.100
Other Classes:
52/506.070, 52/309.300, 52/99, 52/781, 454/296
International Classes:
E04B9/24; F24F7/10; F24F13/068; E04B9/22; F24F13/06
US Patent References:
3031944Ceiling air diffuser
3084402Acoustical panel
3110370Curtain wall material
3111188Acoustical tile
3155422Windshield mounting
3159092Ceiling panel with prefabricated valved ports for controlled air circulation
Foreign References:
FR1281949A
FR1319793A
FR1328489A