Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660811 | Synthetic-resin compression spring | Dieter Muhlhahn, Gino Marsella, Friedhelm Detzner, Dieter Simons, Horst Schafer | 1987-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4660811 | Synthetic-resin compression spring | Dieter Muhlhahn, Gino Marsella, Friedhelm Detzner, Dieter Simons, Horst Schafer | 1987-04-28 |