Title:
Ceiling mounted electric space heater
United States Patent 3223828
US Patent References:
Electric heater
- - 1979883

Air conditioning device
- - 2048246

Air conditioning unit
- - 2212748

Electric unit heater
- - 2221703

Annular core heater
- - 2260594


Inventors:
Mast, Lowell R.
Publication Date:
12/14/1965
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Assignee:
FRIDEN INC
Primary Class:
392/364
Other Classes:
165/125
International Classes:
F24H3/04
US Patent References:
2461409Unit heater construction
2504798Unit heater
Foreign References:
GB561386A