Centrifugal fan

Details Centrifugal fan Centrifugal fan

2007-03-27

2007-03-27

Lichtenstein, Lisa (Department: 2916)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

29235890

CLAIM:
The ornamental design for a centrifugal fan, as shown and described herein.

REFERENCES:
patent: D234203 (1975-01-01), Gunter
patent: 6042335 (2000-03-01), Amr
patent: 6884033 (2005-04-01), Liao

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