Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662872 | Combined steam and vapor extraction process (SAVEX) for in situ bitumen and heavy oil production | A. M. Harold Gutek, Ronald D. Myers, Tadahiro Okazawa | 2003-12-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6662872 | Combined steam and vapor extraction process (SAVEX) for in situ bitumen and heavy oil production | A. M. Harold Gutek, Ronald D. Myers, Tadahiro Okazawa | 2003-12-16 |