Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11123772 | Concentrating rare earth elements from coal waste | Charles E. Roos, Edward J. Sommer, Jr., Ricky Q. Honaker, Aaron Noble | 2021-09-21 |
| 9114433 | Multi-fractional coal sorter and method of use thereof | Charles E. Roos, Edward J. Sommer, Jr. | 2015-08-25 |