Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8406800 | Method and device for establishing an inter-radio frequency subsystem interface (ISSI) unit-to-unit call | Trent J. Miller, Rod N. Averbuch, Gerald R. Drobka, Sikendar Fidai, Michael F. Korus +5 more | 2013-03-26 |
| 8296442 | Method and apparatus for minimizing bandwidth usage between a communication server and media device | Matthew C. Keller, Donald G. Newberg | 2012-10-23 |
| 8195166 | Methods for mobility management of user equipment in a long term evolution system | Valentin Oprescu-Surcobe, Michael F. Korus, Donald G. Newberg, Aparna Pandey | 2012-06-05 |
| 8193934 | Method for using recording rules and previous value selection rules for presence information in a communications system | Anatoly Agulnik, Tyrone D. Bekiares | 2012-06-05 |
| 8099120 | Method and device for enabling selective privacy in a push to talk (PTT) wireless group communication session | Anatoly Agulnik, Johanna Wild | 2012-01-17 |
| 7539494 | Inter-site call routing and roaming support | Ajaykumar R. Idnani, Mark Hamlen, Srinivas Miriyala, Steven D. Upp | 2009-05-26 |
| 7535857 | Method for transmitting data from a participant device in a session in an internet protocol (IP) system | Jheroen Dorenbosch, Anatoly Agulnik, Janus P. Burks | 2009-05-19 |
| 7301914 | Method and apparatus for sending a multicast message | Niranjan N. Segal, Jheroen Dorenbosch, James Earl Womack | 2007-11-27 |
| 7295851 | Methods for setting up dispatch calls | Xinhua Liu, Kulbir S. Bagri, Yonghao Lin | 2007-11-13 |
| 7035658 | Wireless communication device and network controller for affiliation with associated groups and method thereof | Laura A. Christensen, William A. Felderman | 2006-04-25 |
| 6904285 | Method and apparatus for interurban dispatch private calling | Steven E. Vanswol, Arthur J. Brennan | 2005-06-07 |
| 6792281 | Method and system for patching dispatch calling parties together | Steven D. Upp, Paul M. Erickson | 2004-09-14 |
| 6763243 | Method and apparatus for providing prioritized multi-party communication sessions in a wireless communication system | Tracy L. Wolf, Paul M. Erickson, John C. Stanaway, Steven E. Vanswol | 2004-07-13 |
| 6640109 | Method and apparatus for interurban dispatch group calling | Tracy L. Wolf, William A. Felderman, Paul M. Erickson | 2003-10-28 |
| 6067457 | Method for dynamically assigning priority to a call | Paul M. Erickson, Glenn K. Lubin | 2000-05-23 |
| 5790956 | Method of providing selectively targeted talkgroup communications | Bin-Hau Lo, Paul M. Erickson | 1998-08-04 |
| 5778320 | Method for allocating communication resources among groups of communication units | Paul M. Erickson, Glenn K. Lubin | 1998-07-07 |
| 5551062 | Method for enhancing communication access in a radio communication system | Alexander Rozenstrauch, Bin-Hau Lo | 1996-08-27 |