Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7301121 | Method and device for laser drilling in a process gas atmosphere | Gert Callies, Kai Osswald | 2007-11-27 |
| 7294807 | Method and device for drilling holes in workpieces by means of laser beams | Gert Callies | 2007-11-13 |