Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472448 | Coupling arrangement for a rail vehicle | Kay Uwe Kolshorn, Ralf Schipmann | 2022-10-18 |
| 11370466 | Device for horizontal, centering restoration of a coupling shaft | Ralf Schipmann | 2022-06-28 |