Title:
Heating unit
Document Type and Number:
United States Patent 2469963
Inventors:
Publication Date:
05/10/1949
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Export Citation:
Assignee:
Grosjean, Harry W.
Sizer, Elmer M. A.
Sizer, Elmer M. A.
Primary Class:
Other Classes:
165/70, 52/220.100, 165/134.100, 392/370, 52/404.100, 43/124, 165/136, 165/171
International Classes:
F24D3/14; F24D3/12
US Patent References:
| 1800150 | Heating and cooling of buildings |
Foreign References:
| GB315067A | ||||
| GB540678A | ||||
| AU769032A |