Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242556 | Guiding and stressing an elongated, stretched, renewable electrode in electro-erosive machining | Werner Ullmann, Bernd Schumacher, Beat Kilcher | 1980-12-30 |
| 4205212 | Electro-erosion machine tools and head assemblies therefor | Werner Ullmann, Ernst Buhler, Beat Kilcher, Arno Sieg | 1980-05-27 |