Issued Patents 2016
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9313337 | Telephone exchange system, telephone exchanger, and incoming call switching method | — | 2016-04-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9313337 | Telephone exchange system, telephone exchanger, and incoming call switching method | — | 2016-04-12 |