Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6806433 | High-strength erosion electrode | Heinrich Groos, Hans Hermanni, Klaus Tauber | 2004-10-19 |
| 6794597 | Wire electrode with a structured interface surface | Heinrich Groos, Tobias Noethe, Christoph Dietrich | 2004-09-21 |
| 6781081 | Wire electrode for spark erosion cutting | Heinrich Groos, Tobias Noethe, Christoph Dietrich | 2004-08-24 |