Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758331 | Low-sulfur fuels from coals | Carl W. Kruse, Roy J. Helfinstine, Jimmie D. Cooper | 1988-07-19 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4758331 | Low-sulfur fuels from coals | Carl W. Kruse, Roy J. Helfinstine, Jimmie D. Cooper | 1988-07-19 |