Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10123111 | Passive cardioid speaker | — | 2018-11-06 |
| 8081766 | Creating digital signal processing (DSP) filters to improve loudspeaker transient response | — | 2011-12-20 |
| 6016353 | Large scale sound reproduction system having cross-cabinet horizontal array of horn elements | — | 2000-01-18 |
| 6009182 | Down-fill speaker for large scale sound reproduction system | — | 1999-12-28 |
| 5020630 | Loudspeaker and horn therefor | — | 1991-06-04 |
| 4685532 | Constant directivity loudspeaker horn | — | 1987-08-11 |
| 4629029 | Multiple driver manifold | — | 1986-12-16 |