Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7938598 | Marine pipeline installation system and methods | Joop Roodenburg, Anne Klaas De Groot, Diederick Bernardus Wijning | 2011-05-10 |
| 7862255 | Marine pipelaying system for laying an offshore pipeline | Joop Roodenburg | 2011-01-04 |