Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4625800 | Method of recovering medium or high gravity crude oil | — | 1986-12-02 |
| 4589487 | Viscous oil recovery | Paul B. Venuto | 1986-05-20 |
| 4582688 | Process for recovery of mineral values | — | 1986-04-15 |
| 4523642 | Oil recovery process employing CO.sub.2 produced in situ | — | 1985-06-18 |
| 4454018 | Simultaneous crushing and retorting of oil shale with fluid jets | Lawrence R. Stowe | 1984-06-12 |