Issued Patents All Time
Showing 1–3 of 3 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 |
| 7743826 | In situ method and system for extraction of oil from shale | Harry Gordon Harris, Paul Lerwick | 2010-06-29 |
| 4193760 | Apparatus and method for heating a plurality of solids | Charles S. Waitman | 1980-03-18 |