Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7136395 | Method and system for transmission of headerless data packets over a wireless link | Mohammed Sammour | 2006-11-14 |
| 6795444 | System and method for providing wireless telephony over a packet-switched network | Kim Phuc Vo, George Foti, Hung Tran, Jean-Francois Bertrand, Bartosz Balazinski +2 more | 2004-09-21 |
| 6463055 | Integrated radio telecommunications network and method of interworking an ANSI-41 network and the general packet radio service (GPRS) | Paul Lee, John Walter Diachina, Gunnar Rydnell, Gunnar Thrysin | 2002-10-08 |
| 6389008 | Integrated radio telecommunications network and method of interworking an ANSI-41 network and the general packet radio service (GPRS) | Paul Lee | 2002-05-14 |
| 6125276 | Inter-exchange signaling for in-call service change requests | — | 2000-09-26 |
| 6061549 | Support of multiple modulation levels for a cellular traffic channel | Sylvain Labonte, Eric Turcotte, Francois Sawyer, Sylvain St-Pierre | 2000-05-09 |
| 6006091 | System and method of informing a radio telecommunications network of the operating capabilities of a mobile terminal located therein | — | 1999-12-21 |
| 5930710 | Control/pilot channel reselection between cells belonging to different registration areas | Francois Sawyer | 1999-07-27 |
| 5901352 | System for controlling multiple networks and associated services | Sylvain St-Pierre | 1999-05-04 |
| 5857153 | Cellular telecommunications network having seamless interoperability between exchanges while providing voice, asynchronous data and facsimile services in multiple frequency hyperbands | — | 1999-01-05 |
| 5839070 | System and method for hyperband cell interoperability in a cellular telecommunications network | Richard Brunner | 1998-11-17 |
| 5797096 | System and method for maintaining control channel mode information in a cellular telecommunications network | Francois Sawyer | 1998-08-18 |
| 5761623 | Cellular telecommunications network having seamless interoperability between exchanges while supporting operation in multiple frequency hyperbands | Helen Wong | 1998-06-02 |