Dortmund
Germany
8
2019-05-09
The entities that hold a legal rights for patent applications filed by inventor Schonfeld Norbert:
Norbert Schonfeld from Dortmund, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method for implementing a call control of a client on a telephony endpoint representing a user, and port handler designed therefor
#2 | 2016-11-17Method and device for controlling DSP channels
#3 | 2014-12-18Method for handling a telecommunications connection, telecommunications arrangement, switching device and network coupling device
#4 | 2014-06-19Method and device for controlling DSP channels
#5 | 2010-02-16Method and router for switching data between a local area network and an external appliance
#6 | 2006-08-03Method and device for exchanging data by means of tunnel connection
#7 | 2006-04-13Method for transparently exchanging data packets
#8 | 2005-08-23Method of converting a network address
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