Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Radiator – e.g. – spaced enclosed heat exchangers
Patent
1997-02-20
1999-04-06
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Radiator, e.g., spaced enclosed heat exchangers
D23351, D23353, 2303
Patent
active
D04078071
REFERENCES:
patent: D100538 (1936-07-01), Boothby
patent: D144452 (1946-04-01), Dreyfuss
patent: D318910 (1991-08-01), Takagi
patent: 5461880 (1995-10-01), Bolton et al.
Fedders Corporation
Lichtenstein Lisa
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