Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9485750 | Method for effective fast re-paging in a wireless communication network | John M. Harris, Donivon Hettich, Mark J. Marsan | 2016-11-01 |
| 8045504 | Method and apparatus for facilitating network mobility | Anand Bedekar, James A. Butler, Steven D. Upp, Narayanan Venkitaraman, Paula Tjandra | 2011-10-25 |
| 7710987 | Efficient transitions between operating states in a communication network | Jay Jayapalan, Lee M. Proctor, Shreesha Ramanna, Steven D. Upp, James A. Butler | 2010-05-04 |
| 7269435 | System and method for facilitating communications in a network | Timothy Wilson, Sanjay Dua | 2007-09-11 |
| 6792281 | Method and system for patching dispatch calling parties together | Steven D. Upp, Peter M. Drozt | 2004-09-14 |
| 6763243 | Method and apparatus for providing prioritized multi-party communication sessions in a wireless communication system | Tracy L. Wolf, John C. Stanaway, Peter M. Drozt, Steven E. Vanswol | 2004-07-13 |
| 6665283 | Method and apparatus for transmitting data in a packet data communication system | John M. Harris | 2003-12-16 |
| 6640109 | Method and apparatus for interurban dispatch group calling | Peter M. Drozt, Tracy L. Wolf, William A. Felderman | 2003-10-28 |
| 6067457 | Method for dynamically assigning priority to a call | Peter M. Drozt, Glenn K. Lubin | 2000-05-23 |
| 6041048 | Method for providing information packets from a packet switching network to a base site and corresponding communication system | Timothy J. Spets | 2000-03-21 |
| 5987021 | Method and apparatus for allocating resources between queued and non-queued services | Timothy Wilson | 1999-11-16 |
| 5790956 | Method of providing selectively targeted talkgroup communications | Bin-Hau Lo, Peter M. Drozt | 1998-08-04 |
| 5778320 | Method for allocating communication resources among groups of communication units | Peter M. Drozt, Glenn K. Lubin | 1998-07-07 |
| 5711004 | Method for minimizing message interruptions during hand-off in a multi-site radio | Darek Blasiak, Jeff L. Pfeil | 1998-01-20 |
| 5581802 | Method for providing service access information in a communication system | Kenneth J. Crisler, Garry C. Hess, Stuart W. Thro | 1996-12-03 |
| 5566181 | Method and system for establishing a communication using geographically distributed packet duplicators | Hsia Huang, Bin-Hau Lo | 1996-10-15 |
| 5561664 | Method of reducing audio delays associated with mobile-to-mobile communications | Merle L. Gilmore, Valy Lev, Hooman Kashef | 1996-10-01 |
| 5548631 | Method and apparatus for supporting at least two communication services in a communication system | Jay R. Krebs | 1996-08-20 |
| 5542112 | Method and apparatus for providing reliable signalling tones in a radio communication system | Leopold Alonso, Timothy Wilson | 1996-07-30 |
| 5530908 | Apparatus for providing fault tolerance in a radio communication system | Alexander Rozenstrauch | 1996-06-25 |
| 5457735 | Method and apparatus for queuing radio telephone service requests | — | 1995-10-10 |
| 5420574 | Channel allocation mechanism | Leopold Alonso, Timothy Wilson, Angela T. Johnston | 1995-05-30 |
| 5313652 | Method and apparatus for providing a communication path using common sites | Alexander Rozenstrauch | 1994-05-17 |
| 5060240 | Simulcast system and channel unit | John E. Matz, Tim J. Groch, Robert B. Stedman, Mark L. Shaughnessy, Taisir Y. Kandah | 1991-10-22 |
| 5003617 | Simulcast broadcasting system and method | Robert L. Epsom, Paul J. Cizek, Christopher H. Wilson | 1991-03-26 |