Cooling fan

Environmental heating and cooling; fluid handling and sanitary e – Heating or cooling – Air treatment

Design Patent

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Design Patent

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D0634833

CLAIM:
The ornamental design for the cooling fan, as shown and described.

REFERENCES:
patent: D246796 (1977-12-01), Laymon et al.
patent: D446295 (2001-08-01), Williams et al.
patent: D507343 (2005-07-01), Chiu et al.

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