Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-11-03
1994-08-02
Burke, Wallace R.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03493350
REFERENCES:
patent: D253488 (1979-11-01), Hoyt
patent: 4200229 (1980-04-01), Spector
Burke Wallace R.
Eutech Enterprise Ltd.
Lichtenstein Lisa
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