Filter system
United States Patent 3323437
US Patent References:
Ventilating construction
- - 2251663
Ventilating apparatus
- - 2775927
Air diffuser construction
- - 3001464
Circulation control damper
- - 3010381
Means providing a coordinated air flow in an enclosure
- - 3252400
Ventilating construction
- - 2251663
Ventilating apparatus
- - 2775927
Air diffuser construction
- - 3001464
Circulation control damper
- - 3010381
Means providing a coordinated air flow in an enclosure
- - 3252400
Inventors:
Knab, James V.
Publication Date:
06/06/1967
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Export Citation:
Assignee:
WEBER SHOWCASE & FIXTURE CO
Primary Class:
Other Classes:
55/502, 55/501, 55/484, 55/385.200, 454/297, 454/237
International Classes:
B01D46/10; F24F13/14; F24F13/28; F24F13/00