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Patents Grantslast 30 patents

Information Patent Grant
Procedure and system for the setting up of calls
- Patent number 6,418,206
- Issue date Jul 9, 2002
- Sonera Oyj
- Osmo Leppänen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for classifying calls for a mobile subscription
- Patent number 5,898,918
- Issue date Apr 27, 1999
- Sonera Oy
- Osmo Leppanen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method for accomplishing a mobile telecommunications connection usi...
- Patent number 5,758,286
- Issue date May 26, 1998
- Telecom Finland Oy
- Osmo Leppanen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
PROCEDURE AND SYSTEM FOR THE SETTING UP OF CALLS
- Publication number 20020076017
- Publication date Jun 20, 2002
- OSMO LEPPANEN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE