Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774692 | Tappet | Norbert Geyer, Alexander Fichtner, Michael Dotterweich, Matthias Reichel | 2020-09-15 |
| 7472538 | Method for producing rollers and sleeves for chains | Joachim Spörrer, Olaf Donath, Michael Dotterweich, Alexander Fichtner, German Lang | 2009-01-06 |
| 7159552 | Cup tappet for an internal combustion engine | Michael Dotterweich, Matthias Reichel | 2007-01-09 |