Roman Schlegel

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Koniz, CH

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Patents Grantslast 30 patents

Information Patent Grant
Method for identifying undesired telephone calls
- Patent number 8,005,074
- Issue date Aug 23, 2011
- NEC Europe Ltd.
- Sandra Tartarelli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Method For Identifying Undesired Telephone Calls
- Publication number 20090202057
- Publication date Aug 13, 2009
- NEC EUROPE, LTD.
- Sandra Tartarelli
- H04 - ELECTRIC COMMUNICATION TECHNIQUE