Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920548 | Intelligent switching for secure and reliable voice-over-IP PBX service | Kar-Wing Edward Lor, Kwan Shum | 2011-04-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7920548 | Intelligent switching for secure and reliable voice-over-IP PBX service | Kar-Wing Edward Lor, Kwan Shum | 2011-04-05 |