Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10370753 | Method for applying a protective coating to a flat steel product and flat steel product having a corresponding protective coating | Christian K. Riener, Gerhard Angeli, Wilhelm Fischer | 2019-08-06 |
| 5987681 | Electric toothbrush | Matthias Hahn, Andreas Ruhmkorff | 1999-11-23 |