Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381829 | Method for making an improved main shaft for a coal pulverizer by employing a ceramic coating thereon | Robert R. Piepho | 2002-05-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381829 | Method for making an improved main shaft for a coal pulverizer by employing a ceramic coating thereon | Robert R. Piepho | 2002-05-07 |