JPS5222403A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Hearing aid
Assignee: Seiko Epson Corp
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Filing: 1975-08-13
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Granted: —
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Expires: 1995-08-13
Abstract
Abstract PURPOSE:To obtain a hearing aid which can use a battery of large capacity, which has a fashionable style and which can pick up sounds practically in their natural states.
Inventors
- 👤 Mutsuto Tezuka
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-01 04:49
CPC Classifications
H; H04; H04R; H04R25/00
Claims Analysis
Total Claims: 0
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