Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7527338 | Hydrodynamic retarder control apparatus | Charles F. Long, Mark Rader | 2009-05-05 |
| 5640322 | System for controlling the operation of a vehicular transmission | Martin Robert Dadel | 1997-06-17 |
| 5351795 | Electronically controlled hydrodynamic retarder with adaptive duty cycles based on decelarations | Martin Robert Dadel, Phillip F. McCauley | 1994-10-04 |