Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866969 | Three-part roll assembly with exchangeable center part | Hans-Jurgen Reismann | 1989-09-19 |
| 4864838 | Drive apparatus for the vertical rolls of a universal rolling mill stand | Georg Engel, Hans-Heinrich Hartmann, Peter Koethe, Bernd Onderka | 1989-09-12 |