Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4627237 | Hydrostatic transmission with fixed fluid capacity ratio between pump and motor | — | 1986-12-09 |
| 4578948 | Reversible flow vane pump with improved porting | Dale L. Hunsberger | 1986-04-01 |