Title:
TEMPERATURE RESPONSIVE FOUNDATION VENTILATOR
United States Patent 3528606
Inventors:
Witten, Alvin E.
Publication Date:
09/15/1970
Export Citation:
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Assignee:
Alvin, Witten E.
Primary Class:
236/48R
Other Classes:
236/49.5, 454/258, 454/278
International Classes:
F24F11/053; F24F13/15; F24F11/04; F24F13/15; (IPC1-7): F24F7/00
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US Patent References:
3450344THERMOSTATIC VALVES FOR CONTROLLING THE FLOW OF FLUIDS
3436016TEMPERATURE RESPONSIVE VENTILATOR WITH COILED LEAF SPRING
3368756Temperature responsive ventilator
3251548Zone control for air heating, cooling and ventilating systems
3165999Ventilating grille and temperature responsive damper actuating means
2975975Automatic ventilators
2750868Air control apparatus
1358193Ventilating device




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