Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8050386 | Mobile automatic location identification (ALI) for first responders | — | 2011-11-01 |
| 7933385 | Emergency alert for voice over internet protocol (VoIP) | Don Mitchell, Jonathan Croy | 2011-04-26 |
| 7912446 | Solutions for voice over internet protocol (VoIP) 911 location services | Yinjun Zhu, Roger S. Marshall, Steven P. Helme | 2011-03-22 |
| 7903791 | Enhanced E911 location information using voice over internet protocol (VoIP) | Roger S. Marshall, Steven P. Helme | 2011-03-08 |