Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837226 | System for diagnosing EGR valve, actuator and sensor related failure conditions | Yue Wang, Mark R. Stepper, Chang Yang | 2005-01-04 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6837226 | System for diagnosing EGR valve, actuator and sensor related failure conditions | Yue Wang, Mark R. Stepper, Chang Yang | 2005-01-04 |