Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495449 | Electric propulsion system for traction vehicles with automatic retard speed regulation | Stuart W. McElhenny | 1985-01-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4495449 | Electric propulsion system for traction vehicles with automatic retard speed regulation | Stuart W. McElhenny | 1985-01-22 |