Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864838 | Drive apparatus for the vertical rolls of a universal rolling mill stand | Georg Engel, Hans-Heinrich Hartmann, Peter Koethe, Alexandr Svagr | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4864838 | Drive apparatus for the vertical rolls of a universal rolling mill stand | Georg Engel, Hans-Heinrich Hartmann, Peter Koethe, Alexandr Svagr | 1989-09-12 |