Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452670 | Method and apparatus for recovering preheater coal fines | Joseph E. Kovacic, Michael Perch | 1984-06-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4452670 | Method and apparatus for recovering preheater coal fines | Joseph E. Kovacic, Michael Perch | 1984-06-05 |