Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828576 | Drying low rank coal and retarding spontaneous ignition | John C. Bixel, Edward J. Bellow, William F. Heaney | 1989-05-09 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4828576 | Drying low rank coal and retarding spontaneous ignition | John C. Bixel, Edward J. Bellow, William F. Heaney | 1989-05-09 |