Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1990-05-03
1992-10-27
Burke, Wallace
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03305864
REFERENCES:
patent: D296468 (1988-06-01), Greubel
Rodale's New Shelter Magazine, Mar. 1986, p. 48, Romington Air Purifier 15 and Pollenex Pure Air 99, 13 upper middle side of page.
Burke Wallace
Lichtenstein Lisa
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