Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285140 | Dewatering and upgrading low rank coal by a two-step hydrothermal treatment | Leopold van Raam, Herman P. Ruyter | 1981-08-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4285140 | Dewatering and upgrading low rank coal by a two-step hydrothermal treatment | Leopold van Raam, Herman P. Ruyter | 1981-08-25 |