Hearing aid

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4607720
SERIAL NO

06760154

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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To provide a mass-producible hearing aid adapted to be inserted into the external passage of the vast majority of human ears while leaving the concha unencumbered and without requiring individual impressions, the invention proposes a hearing aid which comprises a housing, a coupling element connected to the housing in communication with the sound emission opening of the hearing aid, and a sealing plug detachably connected to the coupling element and having an end remote from the housing, the sealing plug being comprised of cylindrical inner part mounted on the coupling element and an outer part turned back from the inner part at the remote end.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
VIENNATONE GESELLSCHAFT M B HA-1164 WIEN

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hardt, Heinz Vienna, AT 3 84

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