Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8515042 | Method for indicating call progress state, conference control device, and conference system | — | 2013-08-20 |
| 8243120 | Method and device for realizing private session in multipoint conference | — | 2012-08-14 |
| 8209418 | Method for displaying site information in a videoconferencing system | — | 2012-06-26 |