Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572712 | Compacted graphite iron brake drum | Paul D. Levering | 2003-06-03 |
| 5222097 | Channel induction furnace bushing cap cooling device | William J. Duca | 1993-06-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6572712 | Compacted graphite iron brake drum | Paul D. Levering | 2003-06-03 |
| 5222097 | Channel induction furnace bushing cap cooling device | William J. Duca | 1993-06-22 |