Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6421750 | System and method for recording digital data on glass master recording disks | Christian Günther, Artur Redder-Pohlmann | 2002-07-16 |
| 6242392 | Grinding aids for X-ray fluorescence analysis | Frank Hoffmann, Manfred Wachsmann | 2001-06-05 |