Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862570 | Apparatus for removal of scale from hot-rolled steel strip | Wilfried Bald, Karl-Ernst Boucke, Hans Rommen, Friedrich Hollmann | 1989-09-05 |
| 4831854 | Steel strip descaler | Wilfried Bald, Karl-Ernst Boucke, Hans Rommen, Friedrich Hollmann | 1989-05-23 |