Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4527958 | Control valving for a variable capacity pump | — | 1985-07-09 |
| 4514147 | Controlled valving for a dual pump system | Erkki Koivunen | 1985-04-30 |
| 4432255 | Hydraulic control for a power transmission | Mark Perlick | 1984-02-21 |