Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12200434 | Directive multiway loudspeaker with a waveguide | Jussi Väisänen | 2025-01-14 |
| 11026017 | Directive multiway loudspeaker with a waveguide | Aki Mäkivirta, Jussi Väisänen, Siamak Naghian, Ilpo Martikainen | 2021-06-01 |