Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6600704 | Apparatus for scanning optical recording media having different information carrier layers | Christoph Dietrich | 2003-07-29 |
| 6574183 | Device for reading from or writing to optical recording media | Lieu-Kim Dang, Christoph Dietrich, Heinz-Jorg Schroeder | 2003-06-03 |