| 8798613 |
Systems and method for triggering location based voice and/or data communications to or from mobile ratio terminals |
Christopher Ridgway Drane, Stephen Frank Brown, Craig Andrew Scott |
2014-08-05 |
| 8787171 |
Efficient collection of wireless transmitter characteristics |
Christopher Ridgway Drane, Stephen Frank Brown, Craig Andrew Scott |
2014-07-22 |
| 8737985 |
Methods and systems for zone creation and adaption |
Christopher Ridgway Drane, Stephen Frank Brown, Craig Andrew Scott |
2014-05-27 |
| 8700069 |
Systems and methods for mobile terminal location determination using radio signal parameter measurements |
Christopher Ridgway Drane, Stephen Frank Brown, Craig Andrew Scott |
2014-04-15 |
| 8463285 |
Systems and methods for mobile terminal location determination using profiles of radio signal parameter measurements |
Christopher Ridgway Drane, Craig Andrew Scott, Stephen Frank Brown |
2013-06-11 |
| 8359044 |
Enhanced mobile location method and system |
Christopher Ridgway Drane, Craig Andrew Scott |
2013-01-22 |
| 8355737 |
Enhanced mobile location |
Christopher Ridgway Drane, Craig Andrew Scott |
2013-01-15 |
| 8265618 |
Mobile service maintenance management |
Craig Andrew Scott |
2012-09-11 |
| 8050687 |
Location systems and methods |
Peter James Duffett-Smith, Craig Andrew Scott, Guy Albert Graube, James Brice |
2011-11-01 |
| 7508883 |
Radio positioning systems |
Peter James Duffett-Smith, John Christopher Clarke, Robert Willem Rowe |
2009-03-24 |
| 7315745 |
Radio positioning systems |
Peter James Duffett-Smith, Christopher J. Clarke, Robert Willem Rowe |
2008-01-01 |
| 6894644 |
Radio positioning systems |
Peter James Duffett-Smith, John Christopher Clarke, Robert Willem Rowe |
2005-05-17 |
| 6522890 |
Location and tracking system |
Christopher Ridgway Drane, Craig Andrew Scott |
2003-02-18 |
| 6275705 |
Location and tracking system |
Christopher Ridgway Drane, Craig Andrew Scott |
2001-08-14 |