Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7990907 | Mobile telephony | Martin Philip Usher | 2011-08-02 |
| 7349361 | Mobile telephony | Martin Philip Usher | 2008-03-25 |
| 7123905 | Call diversion system | Martin Philip Usher, Donna McLaren, Andrew Robert Mead, Elizabeth Clare Lindsay, nee Tisdell | 2006-10-17 |
| 7120435 | Mobile cellular radio | Martin Philip Usher | 2006-10-10 |