Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment
Design Patent
2001-05-24
2002-05-14
Lichtenstein, Lisa (Department: 2911)
Environmental heating and cooling; fluid handling and sanitary e
Heating or cooling
Air treatment
Design Patent
active
D0457233
CLAIM:
The ornamental design for a distinctive suction fan, as shown and described.
REFERENCES:
patent: 3521973 (1970-07-01), Schouw
patent: 4930981 (1990-06-01), Walker
patent: 5326168 (1994-07-01), Miura
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