Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437519 | Reduction of shale oil pour point | Chang Y. Cha | 1984-03-20 |
| 4358344 | Process for the production and recovery of fuel values from coal | Allan Sass, Paul R. Kaufman, Clement S. Finney | 1982-11-09 |
| 4345794 | Placement of explosive for forming in situ oil shale retort | Gordon B. French, Melvin A. Cook | 1982-08-24 |
| 4230367 | Method of obtaining oil from oil shale deposits | — | 1980-10-28 |