Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881589 | Mold for continuous casting of a flanged rollable billet for a rolled girder or beam and rollable billet made therewith | Hans Streubel | 1989-11-21 |
| 4864838 | Drive apparatus for the vertical rolls of a universal rolling mill stand | Georg Engel, Peter Koethe, Alexandr Svagr, Bernd Onderka | 1989-09-12 |