Title:
Heating unit
United States Patent 2469963
Inventors:
Grosjean, Harry W.
Sizer, Elmer M. A.
Publication Date:
05/10/1949
Export Citation:
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Assignee:
Grosjean, Harry W.
Sizer, Elmer M. A.
Primary Class:
165/56
Other Classes:
43/124, 52/220.1, 52/404.1, 165/70, 165/134.1, 165/136, 165/171, 392/370
International Classes:
F24D3/14; F24D3/12
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US Patent References:
1800150Heating and cooling of buildings
Foreign References:
GB315067A
GB540678A
AU769032A