Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385868 | Jet excavating device | Rogier Cristian Koene, Frits-Jan Koppert, Cornelius Van Zandwijk | 2002-05-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6385868 | Jet excavating device | Rogier Cristian Koene, Frits-Jan Koppert, Cornelius Van Zandwijk | 2002-05-14 |