Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6167739 | Filter and a method for manufacturing a filter | — | 2001-01-02 |
| 5990763 | Filter having part of a resonator and integral shell extruded from one basic block | — | 1999-11-23 |
| 5635885 | Resonator shell construction | Ari Haapakoski | 1997-06-03 |