Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5797702 | Installation for laying a pipeline on a floor located under water, bearing means and terminal | Albert Ploeg, Erik Jan Rooduijn | 1998-08-25 |
| 5575590 | Installation for laying a pipeline on a floor located under water, bearing means and terminal | Erik Jan Rooduijn, Albert Ploeg | 1996-11-19 |