Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109696 | Powertrain performance assessment system | Ronald C. Erickson, Dennis K. Greene, Gerald D. Hardy, Robert Hefner, Lowell E. Johnson +2 more | 1992-05-05 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109696 | Powertrain performance assessment system | Ronald C. Erickson, Dennis K. Greene, Gerald D. Hardy, Robert Hefner, Lowell E. Johnson +2 more | 1992-05-05 |