Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993110 | Steam-generator and gas-compressor systems using water-based evaporation coolants, sealants and lubricants | — | 2011-08-09 |
| 7980312 | Integrated in situ retorting and refining of oil shale | Joseph A. Affholter | 2011-07-19 |