USD322481SExpiredUtility

Hearing aid

77
Assignee: PHILIPS CORPPriority: Jun 27, 1989Filed: Nov 27, 1989Granted: Dec 17, 1991
Est. expiryJun 27, 2009(expired)· nominal 20-yr term from priority
Inventors:Okke Van Mourik
77
PatentIndex Score
18
Cited by
5
References
1
Claims

Claims

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

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