Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318116 | Vacuum method for removing soil contaminants utilizing thermal conduction heating | George Leo Stegemeier, Eric Pierre de Rouffignac, Charles C. Chou | 1994-06-07 |
| 5306640 | Method for determining preselected properties of a crude oil | Pierre N. Tutunjian | 1994-04-26 |
| 5297626 | Oil recovery process | Eric P. DeRouffignac, Carlos A. Glandt, Thomas Mikus, Mark A. Beckemeier | 1994-03-29 |