Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497930 | Method and apparatus for compacting coal for a coal coking process | Michael P. Barkdoll, Mark Anthony Ball, Richard C. Retort | 2009-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7497930 | Method and apparatus for compacting coal for a coal coking process | Michael P. Barkdoll, Mark Anthony Ball, Richard C. Retort | 2009-03-03 |