Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8798613 | Systems and method for triggering location based voice and/or data communications to or from mobile ratio terminals | Malcolm David MacNaughtan, Christopher Ridgway Drane, Stephen Frank Brown | 2014-08-05 |
| 8787171 | Efficient collection of wireless transmitter characteristics | Malcolm David MacNaughtan, Christopher Ridgway Drane, Stephen Frank Brown | 2014-07-22 |
| 8737985 | Methods and systems for zone creation and adaption | Malcolm David MacNaughtan, Christopher Ridgway Drane, Stephen Frank Brown | 2014-05-27 |
| 8700069 | Systems and methods for mobile terminal location determination using radio signal parameter measurements | Malcolm David MacNaughtan, Christopher Ridgway Drane, Stephen Frank Brown | 2014-04-15 |
| 8463285 | Systems and methods for mobile terminal location determination using profiles of radio signal parameter measurements | Malcolm David MacNaughtan, Christopher Ridgway Drane, Stephen Frank Brown | 2013-06-11 |
| 8359044 | Enhanced mobile location method and system | Malcolm David MacNaughtan, Christopher Ridgway Drane | 2013-01-22 |
| 8355737 | Enhanced mobile location | Malcolm David MacNaughtan, Christopher Ridgway Drane | 2013-01-15 |
| 8265618 | Mobile service maintenance management | Malcolm David MacNaughtan | 2012-09-11 |
| 8050687 | Location systems and methods | Peter James Duffett-Smith, Malcolm David MacNaughtan, Guy Albert Graube, James Brice | 2011-11-01 |
| 6522890 | Location and tracking system | Christopher Ridgway Drane, Malcolm David MacNaughtan | 2003-02-18 |
| 6275705 | Location and tracking system | Christopher Ridgway Drane, Malcolm David MacNaughtan | 2001-08-14 |
| 6244301 | Bulkhead barrier member | Randolph F. Stukel | 2001-06-12 |