Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862570 | Apparatus for removal of scale from hot-rolled steel strip | Wilfried Bald, Karl-Ernst Boucke, Manfred Fritz, Friedrich Hollmann | 1989-09-05 |
| 4841761 | Multipurpose rolling mill | Erich Stoy, Wilfried Bald | 1989-06-27 |
| 4831854 | Steel strip descaler | Wilfried Bald, Karl-Ernst Boucke, Manfred Fritz, Friedrich Hollmann | 1989-05-23 |