Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1989-05-26
1991-01-29
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03142370
REFERENCES:
patent: 2561861 (1951-07-01), Held
patent: 2795799 (1957-06-01), Dickerman
patent: 3273756 (1966-09-01), Levy et al.
patent: 3286883 (1966-11-01), Takiff
patent: 3318489 (1967-05-01), Graves
Gandy James M.
Kearns Jerry T.
Lichtenstein Lisa
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