Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857237 | Process for preparing refined oil | Heinz-Peter J. Kopp, Jannes G. Lammers, Jacob A. van der Wolk | 1989-08-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857237 | Process for preparing refined oil | Heinz-Peter J. Kopp, Jannes G. Lammers, Jacob A. van der Wolk | 1989-08-15 |