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| Number | Title | Issue Date |
| 5701348 | Articulated hearing device A hearing device having highly articulated, non-contiguous parts and adapted for placement within the ear canal includes a receiver module for delivering acoustic signals within close proximity to the tympanic membrane, a main module containing all hearin... | 12/23/1997 |
| 5645074 | Intracanal prosthesis for hearing evaluation A hearing evaluation and hearing aid fitting system provides a fully immersive three-dimensional acoustic environment to evaluate unaided, simulated aided, and aided hearing function of an individual. Digital filtering of one or more signal sources repres... | 07/08/1997 |
