Michael Robertus Hendrikus Mandjes

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Haarlem, NL

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Patents Grantslast 30 patents

Information Patent Grant
System for charging the use of a packet-based telecommunication net...
- Patent number 7,466,657
- Issue date Dec 16, 2008
- Koninklijke KPN N.V.
- Jacob Cornelis Van Der Wal
- H04 - ELECTRIC COMMUNICATION TECHNIQUE