Hearing aid
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Claims
The ornamental design for a hearing aid, as shown and described.
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Type: Grant
Filed: Oct 11, 2007
Date of Patent: Jul 7, 2009
Assignee: Bernafon AG (Berne)
Inventor: Mario Tronza (Biel)
Primary Examiner: T. Chase Nelson
Assistant Examiner: Anhdao Doan
Attorney: Birch, Stewart, Kolasch & Birch, LLP
Application Number: 29/290,017