Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6785196 | Device and method for recording information on a track having preformed position information | Johannus Bakx | 2004-08-31 |
| 6748159 | Method and device for recording real-time information | Patricia E. M. Wilson | 2004-06-08 |