Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5297626 | Oil recovery process | Harold J. Vinegar, Carlos A. Glandt, Thomas Mikus, Mark A. Beckemeier | 1994-03-29 |
ED
Eric P. DeRouffignac
Overall (All Time): #3,793,756 of 4,157,543Top 95%
1
Patents All Time