Portable fluid fuel burning air heater
United States Patent 2744516
US Patent References:
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Inventors:
Hubbard, Arthur F.
Publication Date:
05/08/1956
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Assignee:
AMERICAN AIR FILTER CO
Primary Class:
126/110B
International Classes:
F24H3/06; F24H3/02
US Patent References:
2579507Warm-air heating system utilizing as the fuel a combustible gas