Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8500336 | Guide roller rotating bearing for a metal melt bath | Alireza Kouscheschi, Roman Lieutenant, Wilfried Plaetzer | 2013-08-06 |
| 7156920 | Coating device | Wilfried Plaetzer, Ernst-Werner Schmidt, Roman Lieutenant | 2007-01-02 |