Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392369 | Diagonal rolling of hollow stock | Detlef Ramdohr, Karl-Heinz Brensing, Rolf Kümmerling | 1983-07-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4392369 | Diagonal rolling of hollow stock | Detlef Ramdohr, Karl-Heinz Brensing, Rolf Kümmerling | 1983-07-12 |