Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10341291 | Method, equipment, system and computer storage medium for implementing number portability announcement | Zhigang Dai | 2019-07-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10341291 | Method, equipment, system and computer storage medium for implementing number portability announcement | Zhigang Dai | 2019-07-02 |