Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6487209 | System and method for supporting DTMF tone sending in an IP based GSM network | Eric Valentine, Lee Davidson | 2002-11-26 |
| 6483820 | System and method for dynamic radio resource allocation for non-transparent high-speed circuit-switched data services | Lee Davidson, Frank Hundscheidt | 2002-11-19 |
| 6408182 | Redundant mobile switching center (MSC) architecture for a radio telecommunications network | Lee Davidson, Eric Valentine | 2002-06-18 |
| 6377799 | Interworking function in an internet protocol (IP)-based radio telecommunications network | Lee Davidson, Tore Martin Hagen | 2002-04-23 |