Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7658160 | Asymmetrical sail fabric | Guus Bierman, Max de Bruin, Roeland Wentholt | 2010-02-09 |
| 7490570 | Asymmetrical sail fabric | Guus Bierman, Max de Bruin, Roeland Wentholt | 2009-02-17 |
| 7305927 | Asymmetrical sail fabric | Guus Bierman, Max de Bruin, Roeland Wentholt | 2007-12-11 |
| 7104210 | Asymmetrical sail fabric | Guus Bierman, Max de Bruin, Roeland Wentholt | 2006-09-12 |