Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9693132 | Loudspeaker with a helmholtz resonator | — | 2017-06-27 |
| 8695753 | Mass loading for piston loudspeakers | Onur I. Ilkorur, David Corynen, Charalampos Ferekidis, Karl-Heinz Fink | 2014-04-15 |