USD263253SExpiredUtility
Combined hearing aid volume control knob and adapter ring
Individually held — no corporate assignee on recordPriority: Sep 7, 1979Filed: Sep 7, 1979Granted: Mar 2, 1982
Est. expirySep 7, 1999(expired)· nominal 20-yr term from priority
Inventors:Clarence W. Reynolds
29
PatentIndex Score
4
Cited by
4
References
1
Claims
Claims
exact text as granted — not AI-modifiedThe ornamental design for a combined hearing aid volume control knob and adapter ring, as shown and described.
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