USD322252SExpiredUtility

Audio amplifier

41
Assignee: NAKAMICHI CORPPriority: Aug 10, 1989Filed: Aug 10, 1989Granted: Dec 10, 1991
Est. expiryAug 10, 2009(expired)· nominal 20-yr term from priority
Inventors:Kenshiro Tanaka
41
PatentIndex Score
3
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4
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for audio amplifier, as shown and described.

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