Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6614405 | Frame structure | Esa Mikkonen, Kalevi Pesonen | 2003-09-02 |
| 6320482 | High frequency filter consisting of integral bodies | Jouni Ala-Kojola, Esa Mikkonen, Juha Korpela | 2001-11-20 |
| 5604471 | Resonator device including U-shaped coupling support element | Tapio Rattila, Pertti Puurunen, Seppo Salmela, Jarmo Valtonen | 1997-02-18 |