Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6741858 | Method of changing communication channel in mobile system | Leif Friman, Juha Bäck | 2004-05-25 |
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Tapani Virtanen
Overall (All Time): #3,480,208 of 4,157,543Top 85%
1
Patents All Time