Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8437489 | Hearing instrument | Hans Leysieffer, Bruno Gabathuler | 2013-05-07 |
| 7899200 | Universal-fit hearing device | Erdal Karamuk | 2011-03-01 |
| 7844065 | Hearing instrument | Hans Leysieffer, Bruno Gabathuler | 2010-11-30 |