Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11026017 | Directive multiway loudspeaker with a waveguide | Aki Mäkivirta, Juha Holm, Jussi Väisänen, Ilpo Martikainen | 2021-06-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11026017 | Directive multiway loudspeaker with a waveguide | Aki Mäkivirta, Juha Holm, Jussi Väisänen, Ilpo Martikainen | 2021-06-01 |