Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5542474 | Foam mixture for carbon dioxide drive oil recovery method | Nizar F. Djabbarah, Ralph V. Garling, David T. Hand | 1996-08-06 |
| 5513705 | Foam mixture for steam and carbon dioxide drive oil recovery method | Nizar F. Djabbarah, Ralph V. Garling, David T. Hand | 1996-05-07 |