USD420135SExpiredUtility

Pair of hearing aid tubes

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Assignee: RESOUND CORPPriority: Nov 10, 1998Filed: Nov 10, 1998Granted: Feb 1, 2000
Est. expiryNov 10, 2018(expired)· nominal 20-yr term from priority
Inventors:Robert J. FretzDavid Barnard
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PatentIndex Score
5
Cited by
13
References
1
Claims

Claims

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

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