Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7921907 | In situ method and system for extraction of oil from shale | Alan K. Burnham, Roger L. Day, P. Henrick Wallman, James R. McConaghy, Harry Gordon Harris +1 more | 2011-04-12 |