Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5392854 | Oil recovery process | Harold J. Vinegar, Eric Pierre de Rouffignac, Carlos A. Glandt, Thomas Mikus | 1995-02-28 |
| 5297626 | Oil recovery process | Harold J. Vinegar, Eric P. DeRouffignac, Carlos A. Glandt, Thomas Mikus | 1994-03-29 |