Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9848170 | System and method for improving communication productivity | Yongmian Zhang, Haisong Gu | 2017-12-19 |
| 9639770 | System and method for improving communication productivity | Yongmian Zhang, Haisong Gu | 2017-05-02 |