Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1993-01-04
1994-12-20
Lichtenstein, Lisa P.
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
D21148, D21157
Patent
active
D03536637
REFERENCES:
patent: D242122 (1976-11-01), Stoddard
patent: D251455 (1979-03-01), Saitoh
patent: D265334 (1982-07-01), Bollen et al.
patent: D268692 (1983-04-01), Thorndike
patent: D288578 (1987-03-01), Edwards et al.
patent: D307612 (1990-05-01), Cholakian
patent: 2802090 (1957-08-01), Katzman et al.
C & S Distributing Company
Lichtenstein Lisa P.
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