Bonn
Germany
7
2021-08-12
The entities that hold a legal rights for patent applications filed by inventor ESSELING Norbert:
Norbert ESSELING from Bonn, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Initiation and/or routing of an emergency session in a packet switched communication system
#2 | 2014-04-17Cellular wide-area radio communication system with relay-enhanced cells
#3 | 2012-01-05Cellular wide-area radio communications system with relay-enhanced cells
#4 | 2010-07-08Push-to-talk PSTN back-to-back user agent for connecting a PTT system to the PSTN/ISDN world
#5 | 2007-11-29Push-to-talk interworking
#6 | 2007-08-23Cellular wide-area radio communications system with relay-enhanced cells
#7 | 2006-08-22Method for the operation of wireless base stations for packet transfer radio systems having a guaranteed service quality
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