Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8493832 | Optical storage medium having different dimension of recorded marks and spaces on different tracks | Gael Pilard, Herbert Hoelzemann, Frank Przygodda, Stephan Knappmann | 2013-07-23 |
| 6256268 | CD player for CD-like recording formats | Stefan Rapp | 2001-07-03 |