Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1996-02-20
1997-07-01
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D23364, 2304
Patent
active
D03805379
REFERENCES:
patent: 2796143 (1957-06-01), Longenecker et al.
patent: 3861894 (1975-01-01), Marsh
patent: 5462569 (1995-10-01), Benjamin
Bartlett Ernestine C.
Lichtenstein Lisa
U.S. Philips Corporation
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