Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8722037 | X-ray visible drug delivery device | Wouter de Graaff | 2014-05-13 |
| 8568374 | Intrauterine system | Wouter de Graaff, Titia Martine Truce Mulders | 2013-10-29 |
| 8291910 | Intrauterine deposit | Wouter de Graaff, Titia Martine Truce Mulders | 2012-10-23 |