Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5840173 | Process for treating the surface of material of high-grade steel | — | 1998-11-24 |
| 5759307 | Method of producing a cold-rolled strip in one pass | Heinz Berger, Rolf Noe, Frank Barhold, Jorg Neumann, Andreas Noe +1 more | 1998-06-02 |