USD452857SExpiredUtility
Hands free microphone and earphone
Priority: May 4, 2001Filed: May 4, 2001Granted: Jan 8, 2002
Est. expiryMay 4, 2021(expired)· nominal 20-yr term from priority
Inventors:Chi-Lin Hong
83
PatentIndex Score
50
Cited by
5
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a hands free microphone and earphone, as shown and described.
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