Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8568852 | Artificial grass turf and infill for sports fields | Gerardus Hubertus Smit, Geurt Bastiaan Slootweg, Frederik Jan Van Der Gaag, Marinus Hendrikus Olde Weghuis, Francois Antoine Marie Op Den Buijsch +2 more | 2013-10-29 |
| 6815059 | Artificial fibre as well as an artificial lawn for sports fields provided with such fibre | Geurt Bastiaan Slootweg, Marinus Hendrikus Olde Weghuis, Frederik Jan Van Der Gaag, Leonardus Jacobus Johannus Welzen | 2004-11-09 |