Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9828892 | Device for producing at least one hollow valve | Christoph Luven | 2017-11-28 |
| 9611766 | Gas exchange valve of an internal combustion engine | Christoph Luven, Alexander Mueller, Alexander Puck | 2017-04-04 |