Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6466665 | Method for concentrating subscribers in a local exchange | Seppo Kuorelahti, Martti Yrjana, Reijo Romppanen, Pekka Korhonen | 2002-10-15 |
| 6424708 | Method for concentrating subscribers in a telephone network | Seppo Kuorelahti, Martti Yrjana, Reijo Romppanen, Pekka Korhonen | 2002-07-23 |
| 6411630 | Procedure for releasing connections | Jaakko Rautiainen, Sami Kultala, Markku Juntunen, Timo Koskinen, Pekka Lehto | 2002-06-25 |