Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771964 | Handover between wireless telecommunication networks/systems | Heikki Einola, Bo Axerud, Kati Vainola, Susanna Kallio | 2004-08-03 |
| 6745029 | Method and arrangement for handling network specific subscriber data during roaming by use of SIM card information storage | Heikki Einola, Seppo Huotari, Markku Jylha-Ollila | 2004-06-01 |