Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9916708 | Signal processing system and method | Arie Geert Cornelis Koppelaar, Stefan Drude | 2018-03-13 |
| 9891311 | Method of secure RF ranging under strong multipath reflections | Arie Geert Cornelis Koppelaar, Stefan Drude, Andries Hekstra | 2018-02-13 |