Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9154562 | Systems, methods, and media for connecting emergency communications | Henning Schulzrinne, Wonsang Song | 2015-10-06 |
| 9094535 | Emergency text communications | Piotr Boni, Michael Armstrong, Henning Schulzrinne, Wonsang Song | 2015-07-28 |
| 8565384 | Systems, methods, and media for connecting emergency communications | Henning Schulzrinne, Wonsang Song | 2013-10-22 |
| 8401154 | Emergency text communications | Piotr Boni, Michael Armstrong, Henning Schulzrinne, Wonsang Song | 2013-03-19 |