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| Number | Title | Issue Date |
| 4850962 | Implantable hearing aid and method of improving hearing A method and apparatus are disclosed for improving the hearing of a hearing-impaired subject who, if anatomically normal, possesses a tympanic membrane intended for generating mechanical tympanic vibrations in response to sound waves impinging thereon, an... | 07/25/1989 |
| 4729366 | Implantable hearing aid and method of improving hearing A method and apparatus are disclosed for improving the hearing of a hearing-impaired subject who, if anatomically normal, possesses a tympanic membrane intended for generating mechanical tympanic vibration in response to sound waves impinging thereon, an ... | 03/08/1988 |
