Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11168749 | Sector clutch | Calahan B. Campton, Michael W. Campbell | 2021-11-09 |
| 11162543 | Pawl clutch with pawl rejection feature | Calahan B. Campton, Michael W. Campbell | 2021-11-02 |
| 11125281 | Rotating multimode clutch module for all wheel drive system | Keith Martin, Calahan B. Campton, Christopher E. Blair, Brett J. Lee | 2021-09-21 |
| 10883555 | Centrifugal force responsive J-shaped pawl for clutch | Calahan B. Campton, James Bourn | 2021-01-05 |