Gas heating structure
United States Patent 3171402
US Patent References:
Heater
- - 1329052
Wall-type fuel burning heater
- - 2484457
Sealed heater venting and combustion air supply system
- - 2754816
Sealed heater venting system
- - 2755794
Venting system for combustion heaters
- - 2764972
Heater
- - 1329052
Wall-type fuel burning heater
- - 2484457
Sealed heater venting and combustion air supply system
- - 2754816
Sealed heater venting system
- - 2755794
Venting system for combustion heaters
- - 2764972
Inventors:
Carlson, Richard E.
Publication Date:
03/02/1965
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Assignee:
Carlson, Richard E.
Primary Class:
Other Classes:
126/307R, 126/85B, 126/116B
International Classes:
F24C3/00; F24H3/02
US Patent References: