USD422348SExpiredUtility
Heater fan
Est. expiryApr 25, 2014(expired)· nominal 20-yr term from priority
Inventors:Hwa-Chen Liu
70
PatentIndex Score
18
Cited by
9
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a heater fan, as shown and described.
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