Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Furnace
Patent
1991-07-02
1994-03-15
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Furnace
Patent
active
D03452034
REFERENCES:
patent: D270370 (1983-08-01), Blevins, Jr.
patent: 2734738 (1956-02-01), Even
patent: 4320739 (1982-03-01), Wilhoite
Burke Wallace R.
Lichtenstein Lisa
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