Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8682321 | Mobile internet protocol (IP) location | — | 2014-03-25 |
| 8666397 | Area event handling when current network does not cover target area | Paul Thompson | 2014-03-04 |
| 8660573 | Location service requests throttling | Gordon John Hines, Victor Burton, Hsin-Chih Liao | 2014-02-25 |
| 8626160 | User plane location based service using message tunneling to support roaming | — | 2014-01-07 |
| 8532266 | Efficient usage of emergency services keys | Gerhard Geldenbott, John Gordon Hines | 2013-09-10 |
| 8385881 | Solutions for voice over internet protocol (VoIP) 911 location services | Richard Dickinson, Roger S. Marshall, Steven P. Helme | 2013-02-26 |
| 8249589 | Mobile based area event handling when currently visited network does not cover area | John Gordon Hines | 2012-08-21 |
| 8208605 | Extended efficient usage of emergency services keys | Gerhard Geldenbott, John Gordon Hines, Victor Burton | 2012-06-26 |
| 8185087 | Emergency 911 data messaging | Donald L. Mitchell, Jr., Myron D'Souza, Roger S. Marshall | 2012-05-22 |
| 8126458 | User plane location based service using message tunneling to support roaming | — | 2012-02-28 |
| 7929530 | Ancillary data support in session initiation protocol (SIP) messaging | Roger S. Marshall | 2011-04-19 |
| 7912446 | Solutions for voice over internet protocol (VoIP) 911 location services | Richard Dickinson, Roger S. Marshall, Steven P. Helme | 2011-03-22 |
| 7890102 | User plane location based service using message tunneling to support roaming | — | 2011-02-15 |
| 7764961 | Mobile based area event handling when currently visited network does not cover area | John Gordon Hines | 2010-07-27 |
| 7424293 | User plane location based service using message tunneling to support roaming | — | 2008-09-09 |
| 7260186 | Solutions for voice over internet protocol (VoIP) 911 location services | Richard Dickinson, Roger S. Marshall, Steven P. Helme | 2007-08-21 |