USD330896SExpiredUtility

Headphone control box

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Assignee: WHIRLWIND MUSIC DISTRIBUTORS INCPriority: Sep 8, 1988Filed: Sep 8, 1988Granted: Nov 10, 1992
Est. expirySep 8, 2008(expired)· nominal 20-yr term from priority
Inventors:Michael N. LaiaconaJames G. KelseyCarlton L. Cornell
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PatentIndex Score
4
Cited by
5
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a headphone control box, as shown and described.

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