Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7533266 | Watermark-based access control method and device | Alphons Antonius Maria Lambertus Bruekers, Arnoldus Johannes Lucas Maria Maandonks, Peter-Paul Mittertreiner | 2009-05-12 |