Berlin
Germany
4
2008-01-17
The entities that hold a legal rights for patent applications filed by inventor Burghardt Frank:
Frank Burghardt from Berlin, DE has applied for patents for these inventions. The list has both pending applications and granted patents:
Method For Charging For A Service In A Telecommunications/Data Network
#2 | 2007-10-04METHOD FOR CHARGING FOR A SERVICE IN A TELECOMMUNICATIONS/DATA NETWORK
#3 | 2005-04-07Method for charging for a service in a telecommunications/data network
#4 | 2005-03-17Method for transferring messages between communication terminals
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