Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6047074 | Programmable hearing aid operable in a mode for tinnitus therapy | Fred Zoels, Inga Holube, Raimund Martin | 2000-04-04 |
| 5838806 | Method and circuit for processing data, particularly signal data in a digital programmable hearing aid | Fred Zoels | 1998-11-17 |
| 5144674 | Digital programming device for hearing aids | Wolfram Meyer, Eduard Kaiser, Soeren Larsen | 1992-09-01 |