Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4403705 | Short coupling for rail vehicles | Dieter Ernst, Hilmar Forster, Ernst Vahldiek | 1983-09-13 |
| 4375857 | Automatic railway controlled buffer coupling | Hilmar Forster | 1983-03-08 |
| 4366911 | Uncoupling central buffer couplings on rail vehicles | Joachim Kreher | 1983-01-04 |