Air heater
United States Patent 3274989
US Patent References:
Furnace
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Air insulated heater
- - 2015195

Warm air furnace
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- - 2116873

/2126931.html
- - 2126931


Inventors:
Jenson, Kenneth S.
Suhr, Frederick W.
Publication Date:
09/27/1966
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Assignee:
PREWAY INC
Primary Class:
126/110R
Other Classes:
126/85B, 126/116B
International Classes:
F24C15/00; F24H3/06; F24H3/02
US Patent References:
2517446Fog suppressing gas burning heater system
2580492Air-heating appliance
2966838Venting unit
2982197Modular air diffuser
3007467Gas fired space heater
3078837Heater
3105432Venting and air intake system for heaters
3136309Heater terminal connections