Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6967909 | Method and device for recording information in units | Gijsbert J. Van Den Enden, Johannes Hendrikus Maria Spruit, Ronald R. Drenten, Jacobus M. Eradus, Robert Albertus Brondijk +1 more | 2005-11-22 |
| 6853615 | Optical record carrier | Johannes Hendrikus Maria Spruit | 2005-02-08 |