Air purifier

Details Air purifier Air purifier

2011-06-07

2011-06-07

Muller, David G (Department: 2914)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

D0639413

CLAIM:
The ornamental design for a air purifier, as shown and described.

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patent: D514684 (2006-02-01), Lee
patent: D529019 (2006-09-01), Lim
patent: 7112232 (2006-09-01), Chang et al.
patent: D565159 (2008-03-01), Shin et al.
patent: D594947 (2009-06-01), Lewis

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