Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1325 | One stage coal gasification process | Egon L. Doering, Phillip E. Unger | 1994-07-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| H1325 | One stage coal gasification process | Egon L. Doering, Phillip E. Unger | 1994-07-05 |