Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9021697 | Housing member for clutch mechanism | David D. Martinson, James E. Benson | 2015-05-05 |
| 8459431 | Housing member for clutch mechanism | David D. Martinson, James E. Benson | 2013-06-11 |
| D656960 | Clutch mechanism with annular ridge | David D. Martinson, James E. Benson | 2012-04-03 |
| D632383 | Fan hub | Michael M. Surls | 2011-02-08 |