Air filtration system

Details Air filtration system Air filtration system

2003-06-18

2004-08-03

Taylor, Robin V. (Department: 2911)

Environmental heating and cooling; fluid handling and sanitary e

Heating or cooling

Air treatment

CD23S365000

Design Patent

active

D0493874

CLAIM:
The ornamental design for an air filtration system, as shown and described.

REFERENCES:
patent: D383202 (1997-09-01), Meister et al.
patent: D396098 (1998-07-01), Gillingham et al.
patent: D452302 (2001-12-01), Hagen
patent: D467654 (2002-12-01), Klug et al.
patent: 6610116 (2003-08-01), Avery

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