USD299643SExpiredUtility

Headphone-style microphone

86
Assignee: TOA TOKUSHI DENKI KKPriority: Jul 3, 1985Filed: Jan 3, 1986Granted: Jan 31, 1989
Est. expiryJul 3, 2005(expired)· nominal 20-yr term from priority
Inventors:Hiroshi Kubota
86
PatentIndex Score
27
Cited by
4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a headphone-style microphone, as shown.

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