Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4324944 | Arrangement for controlling the electrodes of an arc furnace | Georg Weihrich, Hans-Jorg Nusslin | 1982-04-13 |
| 4274780 | Apparatus for stacking layers of objects | Gunther Kaul, Wilhelm Aufenvenne | 1981-06-23 |