Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1997-11-10
1998-12-29
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
2304
Patent
active
D04034147
REFERENCES:
patent: 1892210 (1932-12-01), Gordon
patent: 2663660 (1953-12-01), Layte
patent: 4056876 (1977-11-01), Lammermann
patent: 4938869 (1990-07-01), Bayerlein et al.
Bickerton Duncan
Shelton Nathan E.
K & N Engineering, Inc.
Lichtenstein Lisa
Wagner John E.
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