Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4881759 | All welded sound isolation flexible connection | Charles M. Reinhardt, Paul E. Sullivan | 1989-11-21 |
| 4746247 | Stabilizing ring for interlocking load ring/back flange interface | Edward J. Arlt, Donald MacLachlan, Charles M. Reinhardt | 1988-05-24 |