Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7596070 | Device for reading and/or writing optical recording media | Hartmut Richter | 2009-09-29 |
| 7445344 | Optimisation of the illumination of a projection appliance | Harald Lang | 2008-11-04 |