USD270153SExpiredUtility

Speaker volume control

45
Individually held — no corporate assignee on recordPriority: Oct 3, 1980Filed: Oct 3, 1980Granted: Aug 16, 1983
Est. expiryOct 3, 2000(expired)· nominal 20-yr term from priority
Inventors:Donald T. Scholz
45
PatentIndex Score
3
Cited by
4
References
1
Claims

Claims

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

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