Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1994-06-29
1996-08-27
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D12345, D23393
Patent
active
D03731847
REFERENCES:
patent: 2885943 (1959-05-01), Divizia
patent: 3238861 (1966-03-01), Fromme
patent: 3542492 (1970-11-01), Muella
patent: 3690244 (1972-09-01), Kallel et al.
patent: 5328152 (1994-07-01), Castle
Lichtenstein Lisa P.
Seiho International, Inc.
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