Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8036096 | Optical recording medium for retail activation | Stefan Knappmann, Sergey Khrushchev | 2011-10-11 |
| 8027241 | Optical storage medium, mastering method and apparatus for reading of respective data | Stephan Knappmann, Stefan Kimmelmann | 2011-09-27 |