Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854977 | Call transfer and simplex call capability in a residential system using wireless residential extension handsets | Markku Tapio Oksanen, Juha Peranto, Seppo Alanara, Pekka Liukkonen, Kalevi Malmi | 1998-12-29 |