Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6041234 | Method and apparatus for registering a radio telephone subscriber unit wherein the subscriber unit remains tuned to the registering channel after successful registration | Markku Tapio Oksanen, Martti Ensio Vuorio | 2000-03-21 |
| 5987324 | Method to prevent cellular phone from receiving control channel of wrong system | Jukka Kyllonen | 1999-11-16 |
| 5918170 | Synchronizing radio telephone to receive every Nth overhead message train | Markku Tapio Oksanen | 1999-06-29 |
| 5854977 | Call transfer and simplex call capability in a residential system using wireless residential extension handsets | Markku Tapio Oksanen, Seppo Alanara, Teppo Jylanki, Pekka Liukkonen, Kalevi Malmi | 1998-12-29 |