Room air purifier

Details Room air purifier Room air purifier

2007-02-20

2007-02-20

Webster, Robin (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

Design Patent

active

29232584

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

REFERENCES:
patent: D350191 (1994-08-01), Tsuji
patent: D379219 (1997-05-01), Ellwood
patent: D379220 (1997-05-01), Ellwood
patent: D388510 (1997-12-01), Rick et al.
patent: D395146 (1998-06-01), Miller et al.
patent: D495409 (2004-08-01), Ke

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