Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8054959 | Telephone exchange apparatus and incoming call transfer control method of the apparatus | — | 2011-11-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8054959 | Telephone exchange apparatus and incoming call transfer control method of the apparatus | — | 2011-11-08 |