USD274839SExpiredUtility

Hearing aid coupler

59
Assignee: ASSOCIATED AUDITORY INSTR INCPriority: Nov 23, 1981Filed: Nov 23, 1981Granted: Jul 24, 1984
Est. expiryNov 23, 2001(expired)· nominal 20-yr term from priority
Inventors:E. Robert Libby
59
PatentIndex Score
14
Cited by
6
References
1
Claims

Claims

exact text as granted — not AI-modified
The ornamental design for hearing aid coupler, as shown and described.

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