Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4997344 | Rotor bearing pre-load for a radial piston pump | Donald J. MacDonald, Arlen W. Koelling, William L. Snyder | 1991-03-05 |
| 4915595 | Valve/piston cartridge and rotor bearing pre-load for a radial piston pump | Donald J. MacDonald, Arlen W. Koelling, William L. Snyder | 1990-04-10 |
| 4738109 | Two stage brake control valve | James A. Miller, Bennie J. Vaughn | 1988-04-19 |
| 4518045 | Vehicle with coolant pressure responsive hitch control | — | 1985-05-21 |
| 4469014 | Cylinder spacer | — | 1984-09-04 |
| 4463659 | Cylinder stroke limiter | — | 1984-08-07 |
| 4366718 | Bi-directional flow transducer | — | 1983-01-04 |
| 4350050 | Flow transducer | — | 1982-09-21 |