Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8311193 | Charging method and control device for group main line service | Sheng Wang | 2012-11-13 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8311193 | Charging method and control device for group main line service | Sheng Wang | 2012-11-13 |