Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Furnace
Patent
1985-09-16
1988-08-02
Kemper, Catherine E.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Furnace
Patent
active
D02970457
REFERENCES:
patent: 4365614 (1982-12-01), Grover
patent: 4407449 (1983-10-01), Moser et al.
patent: 4412651 (1983-11-01), Webster, Jr.
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