Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9644734 | Integrated transmission and auxiliary gearbox control | Robert F. Combs, Leroy K. Johnson | 2017-05-09 |
| 8862349 | Integrated transmission and auxiliary gearbox control | Robert F. Combs, Leroy K. Johnson | 2014-10-14 |