Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10294896 | Flap device for an internal combustion engine | Hans Gerards, Andreas Grauten, Juergen Michels, Tim Holler | 2019-05-21 |
| 10145310 | Flap device for an internal combustion engine | Hans Gerards, Andreas Grauten, Juergen Michels, Tim Holler | 2018-12-04 |