Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2001-12-03
2003-04-22
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0473637
CLAIM:
The ornamental design for fluted filter element, as shown and described.
REFERENCES:
patent: 5137696 (1992-08-01), Hitachi et al.
Donaldson & Company, Inc.
Lichtenstein Lisa
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