Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466665 | Method for concentrating subscribers in a local exchange | Martti Yrjana, Reijo Romppanen, Pekka Korhonen, Toivo Lallukka | 2002-10-15 |
| 6424708 | Method for concentrating subscribers in a telephone network | Martti Yrjana, Reijo Romppanen, Pekka Korhonen, Toivo Lallukka | 2002-07-23 |
| 6370243 | Method for transmitting data traffic in a telecommunications system | Arto Tiihonen, Vesa Heikkila, Olli Liinamaa, Hannu Asujamaa | 2002-04-09 |