Issued Patents 2016
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9503827 | Earphone testing device | Zongbao Hu, Wentuan Zheng, Yongjun Liu, Yanpeng Zhao | 2016-11-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9503827 | Earphone testing device | Zongbao Hu, Wentuan Zheng, Yongjun Liu, Yanpeng Zhao | 2016-11-22 |