Title:
Air control device such as a diffuser or the like
United States Patent 3180246
US Patent References:
Window construction
- - 2137426

Adjustable deflector
- - 2600934

Dampers
- - 3055284


Inventors:
Johnson, Edward H.
Publication Date:
04/27/1965
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Assignee:
American, Warming Ventilation
Primary Class:
454/319
Other Classes:
49/80.100, 49/74.100, 49/90.100
International Classes:
F24F13/075; F24F13/06