Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8695753 | Mass loading for piston loudspeakers | Karel Goossens, Onur I. Ilkorur, David Corynen, Charalampos Ferekidis | 2014-04-15 |
| 8290197 | Electrostatic speaker systems and methods | Ronald Buining, Gaston Bastiaens, Hidde de Haan, Ton Hoogstraaten, Uwe Kempe +1 more | 2012-10-16 |
| 4697792 | Melting furnace | — | 1987-10-06 |