Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161521 | Electrical brush handpiece and an electrical toothbrush having the electrical brush handpiece and an attachment brush | — | 2024-12-10 |
| D663846 | Hearing aid | Philipp Grutzner, Roland Margot, Wilfried Schild, Mario Tronza | 2012-07-17 |