Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11505993 | Universal operating device for a screen, such as a window covering | Ruben Hubert Jan de Vries, Harry Davids, Wouter Hendriks, Thomas Johan Maria Ter Haar | 2022-11-22 |
| 11332973 | Spring operated roller blind system with end position adjusting mechanism | Ruben Hubert Jan de Vries, Thomas Johan Maria Ter Haar | 2022-05-17 |