Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8887852 | Foldable scooter | — | 2014-11-18 |
| 8105034 | Vertical-axis wind turbine and method for the production thereof | — | 2012-01-31 |
| 6105316 | Device for supporting solar panel and a solar panel assembly comprising this device | Willem Otto Julius Bottger, Klaas Jetze Hoekstra, Antonius Joseph Nicolaas Schoen | 2000-08-22 |