Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6404704 | Dial including brilliants, appliques or other applied elements and method for securing such elements thereto | Christophe Bossel, Erwin Koelbl | 2002-06-11 |
| 5586188 | Hearing aid | Peter Renggli, Monika Speck, Jurg Clavadetscher | 1996-12-17 |
| 5530763 | Hearing aid to be worn in the ear and method for its manufacture | Walter Aebi, Elmar Mock | 1996-06-25 |