Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1994-08-31
1995-10-24
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D 3306, D 9517, D23368
Patent
active
D03635384
REFERENCES:
patent: D124865 (1941-01-01), McLaughlin
patent: D190933 (1961-07-01), Evans
patent: 2294232 (1942-08-01), Halpert
patent: 3817371 (1974-06-01), Gatter
patent: 4419326 (1983-12-01), Santini
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