Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1995-06-30
1997-06-24
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23369, 2304
Patent
active
D03802574
REFERENCES:
patent: D245862 (1977-09-01), Bulloch et al.
patent: D306478 (1990-03-01), von Philipp et al.
patent: 2931880 (1960-04-01), Yaffe
patent: 4293095 (1981-10-01), Hamilton et al.
patent: 4523717 (1985-06-01), Schwab
patent: 4734560 (1988-03-01), Bowen
Amron Ltd.
Lichtenstein Lisa P.
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