Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10774692 | Tappet | Norbert Geyer, Alexander Fichtner, Georg Backert, Michael Dotterweich | 2020-09-15 |
| 7159552 | Cup tappet for an internal combustion engine | Georg Backert, Michael Dotterweich | 2007-01-09 |