Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5022262 | Process and apparatus for determining the erodability of soil, in particular soil belonging to the underwater floor | Romke Bijker | 1991-06-11 |
| 4648745 | Method and device for burying a conduit in the bottom of a waterbed | — | 1987-03-10 |