Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4394215 | Apparatus for converting coal into liquid products | Berend Jager, Andries Brink | 1983-07-19 |
| 4318797 | Process for converting coal into liquid products | Berend Jager, Andries Brink | 1982-03-09 |