Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061908 | Energy-efficient grinding rolls for coal pulverizers | Brian P. DeMarey, James F. Durant, Martin J. Kozlak, Robert S. Prairie, Reed S. C. Rogers +1 more | 2000-05-16 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6061908 | Energy-efficient grinding rolls for coal pulverizers | Brian P. DeMarey, James F. Durant, Martin J. Kozlak, Robert S. Prairie, Reed S. C. Rogers +1 more | 2000-05-16 |