Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6447930 | Wire electrode and process for producing a wire electrode, particular for a spark erosion process | Bernd Barthel, Hans Hermanni | 2002-09-10 |
| 6448527 | High-strength erosion electrode | Bernd Barthel, Hans Hermanni, Klaus Tauber | 2002-09-10 |