Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832127 | Method and apparatus for producing viscous crudes | David W. Thomas | 1989-05-23 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832127 | Method and apparatus for producing viscous crudes | David W. Thomas | 1989-05-23 |