Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7793562 | Transmission and shift method | Jeffrey F. Birkel | 2010-09-14 |
| 6935204 | Automated manual transmission and shift method | David Mason, David L. Dickrell | 2005-08-30 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7793562 | Transmission and shift method | Jeffrey F. Birkel | 2010-09-14 |
| 6935204 | Automated manual transmission and shift method | David Mason, David L. Dickrell | 2005-08-30 |