Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799525 | Automatic coal damper | Donald K. Morrison, Robert W. Waltz, Thomas Kunzler, George Stiffler, Chris Latham +1 more | 2004-10-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799525 | Automatic coal damper | Donald K. Morrison, Robert W. Waltz, Thomas Kunzler, George Stiffler, Chris Latham +1 more | 2004-10-05 |