Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7658160 | Asymmetrical sail fabric | Duncan Skinner, Guus Bierman, Roeland Wentholt | 2010-02-09 |
| 7490570 | Asymmetrical sail fabric | Duncan Skinner, Guus Bierman, Roeland Wentholt | 2009-02-17 |
| 7104210 | Asymmetrical sail fabric | Duncan Skinner, Guus Bierman, Roeland Wentholt | 2006-09-12 |