Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7123733 | Auditory treatment device | Hans-Dieter Borowsky, Roman Jandaurek, Theo Wesendahl | 2006-10-17 |
| 6094493 | Hearing aid | Hans-Dieter Borowsky, Roman Jandaurek, Theo Wesendahl | 2000-07-25 |
| D412987 | Combined hearing aid and tinnitus masker | Hans-Dieter Borowsky, Theo Wesendahl | 1999-08-17 |
| D408536 | Combined hearing aid and tinnitus masker | Hans-Dieter Borowsky, Theo Wesendahl | 1999-04-20 |