Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7577267 | Hearing aid and hearing aid system | Roland Barthel, Joachim Eggers, Matthias Fröhlich | 2009-08-18 |
| 7386141 | Hearing device and method of operating a hearing device | Kristin Rohrseitz | 2008-06-10 |
| 7203328 | Hearing aid, and method for reducing feedback therein | Tom Weidner | 2007-04-10 |