Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1997-11-12
1998-12-29
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
2304
Patent
active
D04034163
REFERENCES:
patent: 3448862 (1969-06-01), Fudlaty
patent: 4605426 (1986-08-01), Thornburgh
patent: 4714486 (1987-12-01), Silverthorn
Bickerton Duncan
Shelton Nathan E.
K & N Engineering, Inc.
Lichtenstein Lisa
Wagner John E.
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