Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6357773 | Pull out locking cab step assembly | Michael Kelly Yates | 2002-03-19 |
| 6308973 | Suspension system with axle oscillation circuit | Daniel L. Harrington, Olen Hoyt Gamble | 2001-10-30 |
| 4728029 | Flameless heater for operator's cab | Douglas W. Endres | 1988-03-01 |
| 4653654 | Hydraulic crane aerial platform attachment | Kenneth D. McDaniel, Jr., Douglas W. Endres | 1987-03-31 |
| 4537281 | Two person aerial platform | Douglas W. Endres, Kenneth D. McDaniel, Jr. | 1985-08-27 |