Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4617003 | Adjustable friction clutch assembly | Theo Buthe, Karl Coenen, Norbert Fartmann, Klaus Herbertz, Heinz Koch +5 more | 1986-10-14 |
| 4603998 | Shaft connection mechanism | Theo Buthe, Karl Coenen, Norbert Fartmann, Klaus Herbertz, Franz-Heinz Koch +5 more | 1986-08-05 |