Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5380342 | Method for continuously co-firing pulverized coal and a coal-water slurry | Robert D. Stoessner | 1995-01-10 |
| 4345994 | Method for monitoring the efficiency of raw material beneficiation apparatus | Joseph W. Leonard | 1982-08-24 |