Wheaton, Illinois
United States
13
2014-03-06
The entities that hold a legal rights for patent applications filed by inventor Ejzak Richard P.:
Richard P. Ejzak from Wheaton, US has applied for patents for these inventions. The list has both pending applications and granted patents:
METHOD FOR PROVIDING IMS SUPPORT FOR ENTERPRISE PBX USERS
#2 | 2011-10-27Method and system for IP multimedia bearer path optimization through a succession of border gateways
#3 | 2010-08-26CS HANDOVER FROM IMS FEMTO TO MACRO
#4 | 2010-04-22Method and system for IP multimedia bearer path optimization through a succession of border gateways
#5 | 2010-03-25Method for providing IMS support for enterprise PBX users
#6 | 2009-04-02Method and system for providing voice call continuity
#7 | 2008-06-19Method and system for bypassing media gateways in wireless networks
#8 | 2007-08-02Flexible SIP profile for mixed networks
#9 | 2006-12-07Controlling communication path reservations in a packet network with non-homogeneous nodes
#10 | 2006-09-21Mobile communication device receipt through second telecommunication network of call directed to registration in first telecommunication network
#11 | 2005-12-13Method and device for MAC layer feedback in a packet communication system
#12 | 2005-10-20Method for reducing service interruptions during a hand off in a wireless system
#13 | 2005-05-17System and method for wireless communication supporting link adaptation and incremental redundancy
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