Patent | Date |
---|
Device registration via authentication transference Grant 10,764,267 - Mills , et al. Sep | 2020-09-01 |
Method to log audio in a distributed, immutable transaction log for end-to-end verification and auditing Grant 10,762,927 - Yang , et al. Sep | 2020-09-01 |
Distributed Radio Frequency Spectrum Sharing Coordination System App 20200137583 - Economy; George R. ;   et al. | 2020-04-30 |
Method To Log Audio In A Distributed, Immutable Transaction Log For End-to-end Verification And Auditing App 20200075056 - YANG; YUNHAI ;   et al. | 2020-03-05 |
Device Registration Via Authentication Transference App 20200036694 - Mills; David R. ;   et al. | 2020-01-30 |
Methods and systems for controlling inter-agency, incident scene communications Grant 10,027,801 - Subramanyam , et al. July 17, 2 | 2018-07-17 |
Method and apparatus for controlling group affiliation for a user with multiple mobile devices Grant 9,686,656 - Pai , et al. June 20, 2 | 2017-06-20 |
Method and apparatus for device collaboration via a hybrid network Grant 9,609,541 - Metke , et al. March 28, 2 | 2017-03-28 |
Method And Apparatus For Controlling Group Affiliation App 20170034672 - PAI; MADHUSUDAN K. ;   et al. | 2017-02-02 |
Method And Apparatus For Presenting User Personalities For Interoperable Ptt Across Separate Ptt Networks App 20160269876 - SENESE; THOMAS J. ;   et al. | 2016-09-15 |
Method and apparatus for device collaboration via a hybrid network Grant 9,420,465 - Metke , et al. August 16, 2 | 2016-08-16 |
Method, device, and system for notifying mobile stations participating in a non-LLE call of new LLE call Grant 9,391,953 - Petrie , et al. July 12, 2 | 2016-07-12 |
Method And Apparatus For Device Collaboration Via A Hybrid Network App 20160192189 - METKE; ANTHONY R. ;   et al. | 2016-06-30 |
Method And Apparatus For Device Collaboration Via A Hybrid Network App 20160192230 - METKE; ANTHONY R. ;   et al. | 2016-06-30 |
Method and device for managing encrypted group rekeying in a radio network link layer encryption system Grant 9,332,428 - Kruegel , et al. May 3, 2 | 2016-05-03 |
Method And Apparatus For Tethered Device To Select External Data Network App 20160112939 - SENESE; THOMAS J. ;   et al. | 2016-04-21 |
Method and apparatus for connecting a bluetooth device Grant 9,301,087 - Pappas , et al. March 29, 2 | 2016-03-29 |
Method, Device, And System For Notifying Mobile Stations Participating In A Non-lle Call Of New Lle Call App 20160029348 - PETRIE; MICHAEL C ;   et al. | 2016-01-28 |
Concurrent voice and data service on a same digital radio channel Grant 9,232,376 - Senese , et al. January 5, 2 | 2016-01-05 |
Communication protocol for secure communications systems Grant 9,143,321 - Senese , et al. September 22, 2 | 2015-09-22 |
Method and apparatus for authenticating a digital certificate status and authorization credentials Grant 9,071,964 - Senese , et al. June 30, 2 | 2015-06-30 |
Concurrent Voice And Data Service On A Same Digital Radio Channel App 20150043539 - SENESE; THOMAS J. ;   et al. | 2015-02-12 |
Method and device for rekeying in a radio network link layer encryption system Grant 8,948,378 - Sowa , et al. February 3, 2 | 2015-02-03 |
Method for a communication device to operate with multiple key management facilities Grant 8,948,396 - Kruegel , et al. February 3, 2 | 2015-02-03 |
Method and device for link layer decrypting and/or encrypting a voice message stream already supporting end to end encryption Grant 8,824,681 - Senese , et al. September 2, 2 | 2014-09-02 |
Method And Device For Managing Encrypted Group Rekeying In A Radio Network Link Layer Encryption System App 20140198916 - KRUEGEL; CHRIS A. ;   et al. | 2014-07-17 |
Method and device for managing encrypted group rekeying in a radio network link layer encryption system Grant 8,781,132 - Kruegel , et al. July 15, 2 | 2014-07-15 |
Methods for establishing a secure point-to-point call on a trunked network Grant 8,724,812 - Senese , et al. May 13, 2 | 2014-05-13 |
Communication protocol for secure communications systems Grant 8,650,404 - Senese , et al. February 11, 2 | 2014-02-11 |
Method And Device For Managing Encrypted Group Rekeying In A Radio Network Link Layer Encryption System App 20130243195 - KRUEGEL; CHRIS A. ;   et al. | 2013-09-19 |
Communication Protocol For Secure Communications Systems App 20130236014 - SENESE; THOMAS J. ;   et al. | 2013-09-12 |
Method and apparatus for enabling efficient battery use on a dual mode communication device Grant 8,526,947 - Shahaf , et al. September 3, 2 | 2013-09-03 |
Communication Protocol For Secure Communications Systems App 20130227294 - SENESE; THOMAS J. ;   et al. | 2013-08-29 |
Method And Device For Rekeying In A Radio Network Link Layer Encryption System App 20130223622 - SOWA; HANS C. ;   et al. | 2013-08-29 |
Methods and device for secure transfer of symmetric encryption keys Grant 8,509,448 - Thomas , et al. August 13, 2 | 2013-08-13 |
Method And Device For Link Layer Decrypting And/or Encrypting A Voice Message Stream Already Supporting End To End Encryption App 20130142335 - SENESE; Thomas J. ;   et al. | 2013-06-06 |
Method for key identification using an internet security association and key management based protocol Grant 8,448,235 - Langham , et al. May 21, 2 | 2013-05-21 |
Method And Apparatus For Authenticating A Digital Certificate Status And Authorization Credentials App 20130072155 - SENESE; THOMAS J. ;   et al. | 2013-03-21 |
Method For A Communication Device To Operate With Multiple Key Management Facilities App 20120183143 - KRUEGEL; CHRIS A. ;   et al. | 2012-07-19 |
Methods For Establishing A Secure Point-to-point Call On A Trunked Network App 20120170743 - SENESE; THOMAS J. ;   et al. | 2012-07-05 |
Method For Key Identification Using An Internet Security Association And Key Management Based Protocol App 20120036363 - LANGHAM; TIMOTHY M. ;   et al. | 2012-02-09 |
Methods For Establishing A Security Session In A Communications System App 20120036567 - SENESE; THOMAS J. ;   et al. | 2012-02-09 |
Method and apparatus for encrypted communications using IPsec keys Grant 8,059,817 - Kruegel , et al. November 15, 2 | 2011-11-15 |
Methods And Device For Secure Transfer Of Symmetric Encryption Keys App 20110026714 - Thomas; Shanthi E. ;   et al. | 2011-02-03 |
Anti-replay Method For Unicast And Multicast Ipsec App 20100165839 - SENESE; THOMAS J. ;   et al. | 2010-07-01 |
Method and system of accessing a de-keyed base station Grant 7,729,701 - Wiatrowski , et al. June 1, 2 | 2010-06-01 |
Method for allowing a subscriber unit to access a channel for voice transmissions Grant 7,499,441 - Wiatrowski , et al. March 3, 2 | 2009-03-03 |
Method and system of scanning a TDMA channel Grant 7,369,869 - Wiatrowski , et al. May 6, 2 | 2008-05-06 |
Method And Apparatus For Encrypted Communications Using Ipsec Keys App 20080019525 - KRUEGEL; CHRIS A. ;   et al. | 2008-01-24 |
Method and system of accessing a de-keyed base station App 20070053316 - Wiatrowski; David G. ;   et al. | 2007-03-08 |
Methods for achieving reliable joins in a multicast IP network Grant 7,133,371 - Helm , et al. November 7, 2 | 2006-11-07 |
Roaming encryption key rekeying apparatus and method App 20060233371 - Sowa; Hans C. ;   et al. | 2006-10-19 |
Method and system of scanning a TDMA channel App 20060018292 - Wiatrowski; David G. ;   et al. | 2006-01-26 |
Method and system for providing access to a channel for voice transmission App 20060013188 - Wiatrowski; David G. ;   et al. | 2006-01-19 |
Methods for achieving reliable joins in a multicast IP network App 20020067724 - Helm, David ;   et al. | 2002-06-06 |