Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539042 | Preventing an increase of the nitrogen content in molten steel | Hans Gruner, Heinrich-Wilhelm Rommerswinkel, Rolf Vest | 1985-09-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4539042 | Preventing an increase of the nitrogen content in molten steel | Hans Gruner, Heinrich-Wilhelm Rommerswinkel, Rolf Vest | 1985-09-03 |