USD449042SExpiredUtility
Microphone
Est. expirySep 1, 2020(expired)· nominal 20-yr term from priority
Inventors:Ming-Cheng Chung
95
PatentIndex Score
77
Cited by
6
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a microphone, as shown and described.
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