Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6092881 | Traction control system | Eric Gates | 2000-07-25 |
| 5694827 | Dump body cushion | — | 1997-12-09 |
| 5503250 | Traction control system | Eric Gates | 1996-04-02 |
| 4505339 | Hydraulic control for a dozer blade | Lee Kramer, Steven Kirkham, Charles M. Tschanz | 1985-03-19 |
| 4398869 | Control means for variable displacement pump | Steven Kirkham | 1983-08-16 |
| 4352398 | Circuit for pitch and tilt of dozer blade | — | 1982-10-05 |