Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006570 | Method and device for producing a hollow body from solid round steel | Rolf Kümmerling, Adolf Kindsgrab | 1999-12-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6006570 | Method and device for producing a hollow body from solid round steel | Rolf Kümmerling, Adolf Kindsgrab | 1999-12-28 |