Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998640 | Method for recovering oil from an oil-bearing solid material | Gary R. Haefele, Peter A. Allen, Paul Wegner | 1999-12-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5998640 | Method for recovering oil from an oil-bearing solid material | Gary R. Haefele, Peter A. Allen, Paul Wegner | 1999-12-07 |