Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D1052559 | Loudspeaker | — | 2024-11-26 |
| 11245980 | Connecting device for loudspeaker boxes, and arrangement of loudspeaker boxes hanging beneath one another | Julius Korell | 2022-02-08 |
| 10477299 | Loudspeaker system with directivity | Matthias Christner | 2019-11-12 |
| 9288571 | Bass reflex loudspeaker system with phase correction element | Matthias Christner | 2016-03-15 |