Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Patent
1998-10-29
2000-03-14
Lichtenstein, Lisa
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
2304
Patent
active
D04216490
REFERENCES:
patent: D401306 (1998-11-01), Ward et al.
patent: 3469707 (1969-09-01), Humbert, Jr. et al.
patent: 4801383 (1989-01-01), Hoffmann et al.
patent: 5443721 (1995-08-01), Kelada et al.
Donaldson & Company, Inc.
Lichtenstein Lisa
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