WG

Walter Grethe

TG T-Mobile Deutschland Gmbh: 1 patents #27 of 83Top 35%
Overall (All Time): #3,371,839 of 4,157,543Top 85%
1
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Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7460875 Additional information for voice group call service Volker Brass, Thomas Sieredzki 2008-12-02