Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1987-12-17
1990-06-12
Gandy, James M.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Patent
active
D03085724
REFERENCES:
patent: 4436021 (1984-03-01), Hisey
patent: 4535686 (1985-08-01), Hisey
patent: 4549473 (1985-10-01), Alexander et al.
patent: 4697500 (1987-10-01), Hisey
Gandy James M.
Lichtenstein Lisa
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