Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909989 | Method for obtaining bitumen from tar sands | Willem P. C. Duyvesteyn, Raymond L. Morley | 2011-03-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7909989 | Method for obtaining bitumen from tar sands | Willem P. C. Duyvesteyn, Raymond L. Morley | 2011-03-22 |