Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9838808 | Hearing aid | Michel Martin Marie Havenith, Marcus Johannes Aloysius Kaal | 2017-12-05 |
| 8798294 | Hearing aid, expansion unit and method for manufacturing a hearing aid | Michel Martin Marie Havenith, Marcus Johannes Aloysius Kaal | 2014-08-05 |
| 8699736 | Hearing aid | Michel Martin Marie Havenith, Marcus Johannes Aloysius Kaal | 2014-04-15 |
| 8284974 | Hearing aid | Michel Martin Marie Havenith, Marcus Johannes Aloysius Kaal | 2012-10-09 |