Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9090138 | Single-shell spring arm | Kai Haselhorst, Ralf Koormann, Mathias Buchholz | 2015-07-28 |
| 8936264 | One-shell spring suspension arm | Ralf Koormann, Kai Haselhorst | 2015-01-20 |