Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660811 | Synthetic-resin compression spring | Dieter Muhlhahn, Friedhelm Detzner, Dieter Simons, Horst Schafer, Hermann Haarkotter | 1987-04-28 |
| 4428565 | Arrangement for resilient absorption of forces | Christian Stiefel, Josef Friedrichs, Horst Kahle | 1984-01-31 |