Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8848954 | Self-adjustment of a hearing aid and hearing aid | Ulrich Giese | 2014-09-30 |
| 8416974 | Hearing aid with connecting element serving for retention in concha | Knud Ammitzboll, Uwe Rass | 2013-04-09 |
| 7856111 | Hearing aid with sound tube serving for retention in concha | Uwe Rass, Knud Ammitzboll | 2010-12-21 |