USD256549SExpiredUtility

Volume adjustment knob for power microphone

26
Assignee: KEN HERR & ASSPriority: Jan 30, 1978Filed: Jan 30, 1978Granted: Aug 26, 1980
Est. expiryJan 30, 1998(expired)· nominal 20-yr term from priority
Inventors:Kenneth W. Maurin
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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 volume adjustment knob for power microphone, as shown and described.

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