Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-05-04
1994-05-24
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03472760
REFERENCES:
patent: D253488 (1979-11-01), Hoyt
Burke Wallace R.
Eutech Enterprise Co., Ltd.
Lichtenstein Lisa
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