Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11570700 | Controlling connectivity of an electronic device to a mobile network | Ian Marsden, Paul Mckenzie | 2023-01-31 |
| 10623253 | Provision and retrieval of device status information | Ian Marsden | 2020-04-14 |
| 9584474 | SIM card activation | Ian Marsden | 2017-02-28 |
| 9572041 | Routing | Ian Marsden | 2017-02-14 |
| 9549310 | Lifecycle configuration of mobile subscriber | Ian Marsden | 2017-01-17 |
| 9320080 | Wireless master-slave distributed communications network | Ian Marsden | 2016-04-19 |
| 9313649 | GSM signalling for M2M communications | — | 2016-04-12 |
| 9215547 | Multi IMSI system and method | Ian Marsden | 2015-12-15 |
| 8359051 | Wireless master-slave distributed communications network | Ian Marsden | 2013-01-22 |
| 7190979 | Battery economizing in a communications system | David K. Roberts, Richard Charles Burbidge | 2007-03-13 |
| 7174136 | Direct conversion radio transceiver | Anthony D. Sayers | 2007-02-06 |
| 7157979 | Phase-lock loops | Adrian G. Spencer | 2007-01-02 |
| 7151767 | Method and apparatus for synchronizing frequency hopping transceivers | Adrian G. Spencer, Anthony D. Sayers | 2006-12-19 |
| 6795517 | Low power phase locked loop frequency synthesizer | — | 2004-09-21 |
| 6590365 | Method of powering-up battery powered apparatus | Christopher B. Marshall | 2003-07-08 |
| 6570948 | Phase locked loop frequency generating circuit and a receiver using the circuit | — | 2003-05-27 |