Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105054 | Device for delivering traffic cones and vehicle comprising such device | Sjoerd De Groot | 2021-08-31 |
| 9739328 | Impact attenuator and vehicle, trailer and guardrail comprising such an impact attenuator | Sjoerd Degroot | 2017-08-22 |