Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423689 | Method of producing pulverized coal as fuel for pulverized-coal pilot burners | Johannes Merz, Ulrich Rau | 1984-01-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4423689 | Method of producing pulverized coal as fuel for pulverized-coal pilot burners | Johannes Merz, Ulrich Rau | 1984-01-03 |