Issued Patents All Time
Showing 26–50 of 97 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7184790 | Method and apparatus for establishing a talk group | Richard L. Bennett | 2007-02-27 |
| 7185091 | Method and system for transmitting compressed messages at a proxy to a mobile device in a network | James Earl Womack | 2007-02-27 |
| 7181765 | Method and apparatus for providing node security in a router of a packet network | Vijaykumar M. Patel | 2007-02-20 |
| 7162236 | Fast call set-up for multi-mode communication | Jack Gipson, Ajaykumar R. Idnani | 2007-01-09 |
| 7146158 | Method and apparatus for reformatting dialed numbers | Anotoly S Belkin, Peter Hux, Ajaykumar R. Idnani, Niranjan N. Segal, Zaffer S. Merchant | 2006-12-05 |
| 7133516 | Prevention of call forwarding loops in communication networks | Anatoly S. Belkin, Alex Hirsbrunner, Jennifer Pierce | 2006-11-07 |
| 7084737 | Method and apparatus for locating a nearby alternate vending machine for a desired product | Morris A. Moore | 2006-08-01 |
| 7054323 | Method for packet data protocol context activation | Cindy Viola, Douglas A. White | 2006-05-30 |
| 7024195 | Location based grouping for wireless network coverage area | Srinivas Miriyala | 2006-04-04 |
| 6999770 | Selective hairpinning of calls through another network | Alex Hirsbrunner, Niranjan N. Segal | 2006-02-14 |
| 6963739 | Method and apparatus for providing information intercept in an ad-hoc wireless network | Richard L. Bennett | 2005-11-08 |
| 6952592 | Method and apparatus for limiting a transmission in a dispatch system | — | 2005-10-04 |
| 6917611 | Method and apparatus for switching an on going communication of user information between a wireless connection and a wired connection | Elizabeth LYTLE | 2005-07-12 |
| 6907022 | Method and apparatus in a portable subscriber unit for minimizing a connection setup time through a communication network | — | 2005-06-14 |
| 6907237 | Communication system that provides backup communication services to a plurality of communication devices | Lynette J. Lobo | 2005-06-14 |
| 6901259 | Communication system that provides adjustable communication service availability to subscribers | — | 2005-05-31 |
| 6895254 | Method and apparatus for providing a dispatch call | — | 2005-05-17 |
| 6879584 | Communication services through multiple service providers | Stuart W. Thro, Nicholas Labun, Shaowei Pan, John Paul Sawinski | 2005-04-12 |
| 6850503 | Method and apparatus for effecting a handoff between two IP connections for time critical communications | David L. Raymer | 2005-02-01 |
| 6781978 | Method for transmitting collision-free messages in a communication system and apparatus therefor | Hai Xie, Thomas Casey Hill | 2004-08-24 |
| 6768726 | Method and apparatus for effecting a seamless handoff between IP connections | Richard L. Bennett, David L. Raymer | 2004-07-27 |
| 6757269 | Mobile wireless router | Vijaykumar M. Patel | 2004-06-29 |
| 6757548 | Method and apparatus in a wireless messaging system for estimating and using required delivery parameters to meet a target transmission reliability | — | 2004-06-29 |
| 6717520 | Method and apparatus for selectively providing an audible low power alert to a user of an electronic device | — | 2004-04-06 |
| 6697614 | Method and apparatus for distributed arbitration of a right to speak among a plurality of devices participating in a real-time voice conference | — | 2004-02-24 |