Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168274 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2021-11-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168274 | Low sulfur coal additive for improved furnace operation | Stephen Allen Johnson, John Philip Comer | 2021-11-09 |