Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642638 | Process for the rolling of hallow ingots on a assel rolling mill | Jurgen Pietsch | 1997-07-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5642638 | Process for the rolling of hallow ingots on a assel rolling mill | Jurgen Pietsch | 1997-07-01 |