Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10438580 | Active reverberation augmentation | Sylvain J. Choisel, John C. M. Stewart | 2019-10-08 |
| 10425733 | Microphone equalization for room acoustics | Sylvain J. Choisel, Afrooz Family | 2019-09-24 |
| 10257608 | Subwoofer with multi-lobe magnet | Jason C. Della Rosa, Ethan L. Huwe, Glenn K. Trainer | 2019-04-09 |
| 10194249 | Multi-coil loudspeaker driver | Sylvain J. Choisel, David Sumberg | 2019-01-29 |