Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604471 | Resonator device including U-shaped coupling support element | Tapio Rattila, Pertti Puurunen, Seppo Salmela, Jarmo Valtonen | 1997-02-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5604471 | Resonator device including U-shaped coupling support element | Tapio Rattila, Pertti Puurunen, Seppo Salmela, Jarmo Valtonen | 1997-02-18 |