Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12342129 | Electromagnetic signal converter for a bone conduction receiver | Franz Berl, Markus Riegler | 2025-06-24 |
| 9699566 | Electromagnetic signal converter for an osteophone | Frank Jurisch, Franz Berl | 2017-07-04 |