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last 30 patents
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Patent Grant
Mobility within a packet-switched telephony network
Patent number
7,502,339
Issue date
Mar 10, 2009
Nokia Telecommunications Oyj
Juha Matti Pirkola
H04 - ELECTRIC COMMUNICATION TECHNIQUE
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Patent Grant
Short message service support over a packet-switched telephony network
Patent number
6,611,516
Issue date
Aug 26, 2003
Nokia Telecommunications Oyj
Juha Matti Pirkola
H04 - ELECTRIC COMMUNICATION TECHNIQUE