Issued Patents 2016
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429004 | In situ retorting and refining of hygrocarbons | Joseph A. Affholter | 2016-08-30 |
| 9388678 | In situ retorting of hydrocarbons and a selected metal | Joseph A. Affholter | 2016-07-12 |
| 9309756 | In situ retorting of hydrocarbons | Joseph A. Affholter | 2016-04-12 |
| 9291043 | In situ retorting of hydrocarbons and a selected metal | Joseph A. Affholter | 2016-03-22 |