Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5557978 | Countershaft power transmission | — | 1996-09-24 |
| 5249475 | Eight- to sixteen-speed powershift transmission | — | 1993-10-05 |
| 5063793 | Speed forward, 12 speed reverse powershift transmission | — | 1991-11-12 |
| 5025674 | Sixteen speed powershift transmission | — | 1991-06-25 |
| 4864881 | Powershift transmission with four speed ranges in forward and reverse | John M. Beeson, James D. Burnham | 1989-09-12 |