USD275096SExpiredUtility

Combined microphone and loudspeaker

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Assignee: AT & T BELL LABORATORIESPriority: Mar 17, 1982Filed: Mar 17, 1982Granted: Aug 14, 1984
Est. expiryMar 17, 2002(expired)· nominal 20-yr term from priority
Inventors:Edward W. FestaJohn N. McgarveyGordon E. SylvesterJames W. Wilson
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PatentIndex Score
2
Cited by
1
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for a combined microphone and loudspeaker, substantially as shown and described.

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