Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2003-03-04
2003-12-02
Taylor, Robin V. (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0483103
CLAIM:
The ornamental design for an air filter assembly, as shown and described.
REFERENCES:
patent: 3831765 (1974-08-01), Flynn et al.
patent: 5230799 (1993-07-01), Willard et al.
patent: 5782944 (1998-07-01), Justice
patent: 5795361 (1998-08-01), Lanier et al.
patent: 6228152 (2001-05-01), Guerin et al.
3M Innovative Properties Company
Huebsch William L.
Taylor Robin V.
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