Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2000-09-01
2001-10-23
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0449677
CLAIM:
The ornamental design for an air-purifying device, as shown and described.
REFERENCES:
patent: D. 274837 (1984-07-01), Lynch et al.
patent: D. 377523 (1997-01-01), Marvin et al.
Denham Jonathan George
Graceffa Joseph Thomas
Painter Jeffrey Donald
Bamber Jeffrey V.
Fayette Thibault
Lichtenstein Lisa
The Procter & Gamble & Company
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