Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7350633 | Apply piston for a power transmission | Patrick S. Portell | 2008-04-01 |
| 7278525 | Internally and externally splined clutch hub for torque-transmitting mechanisms in a power transmission | Patrick S. Portell | 2007-10-09 |
| 7246693 | Support housing for torque-transmitting mechanisms in a power transmission | Patrick S. Portell | 2007-07-24 |
| 6811349 | Retaining ring apparatus | Derril A. Loe | 2004-11-02 |