Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4531219 | Electrode assembly for arc furnaces | Dieter Zollner, Inge Lauterbach-Dammler, Thomas Taube, Siegfried Liebel, Hanns-Georg Bauer | 1985-07-23 |
| 4509178 | Arrangement of an electrode for electric arc furnaces | Friedrich Fink, Siegfried Liebel, Inge Lauterbach, Thomas Taube, Dieter Zollner | 1985-04-02 |