Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4972487 | Auditory prosthesis with datalogging capability | Stephan Mangold | 1990-11-20 |
| 4961230 | Hearing aid programming interface | — | 1990-10-02 |
| 4827524 | Magnetic attachment apparatus for ear-level microphone | — | 1989-05-02 |
| 4827525 | Attachment device for a probe microphone | David A. Hotvet, Ernest L. Woodfill | 1989-05-02 |