Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9611014 | Device for launching a subsurface mining vehicle into a water mass and recovering the same from the water mass | Johan Heiler, Pieter Abraham Lucieer, Harmen Derk Stoffers | 2017-04-04 |