Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8730105 | Finding the position of a mobile terminal | Peter James Duffett-Smith, Murray Robert Jarvis | 2014-05-20 |
| 8630656 | Method and system for locating a mobile radio receiver in a radio system with multiple transmitters | Ben Tarlow, Christopher Ridgway Drane, Simon David Hern | 2014-01-14 |
| 8472971 | Method and apparatus for determining whether a mobile terminal has moved outside a given locale | Peter James Duffett-Smith | 2013-06-25 |
| 8279116 | Processing received satellite radio signals | Peter James Duffett-Smith, Anthony Richard Pratt | 2012-10-02 |
| 8103294 | Determining the change in time at a mobile terminal | Peter James Duffett-Smith, Murray Robert Jarvis, Simon David Hern, Nicolas Graube | 2012-01-24 |
| 7508883 | Radio positioning systems | Peter James Duffett-Smith, Malcolm David MacNaughtan, John Christopher Clarke | 2009-03-24 |
| 7315745 | Radio positioning systems | Peter James Duffett-Smith, Malcolm David MacNaughtan, Christopher J. Clarke | 2008-01-01 |
| 6894644 | Radio positioning systems | Peter James Duffett-Smith, Malcolm David MacNaughtan, John Christopher Clarke | 2005-05-17 |