Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5098323 | Device for positioning of a buoy body | Leendert Poldervaart | 1992-03-24 |
| 4825797 | Mooring device | Leendert Poldervaart | 1989-05-02 |
| 4738213 | Floating device | Leendert Poldervaart | 1988-04-19 |