Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10812909 | Loudspeaker diaphragm | Martial Andre Robert Rousseau | 2020-10-20 |
| 10547949 | Loudspeaker diaphragm | Martial Andre Robert Rousseau | 2020-01-28 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10812909 | Loudspeaker diaphragm | Martial Andre Robert Rousseau | 2020-10-20 |
| 10547949 | Loudspeaker diaphragm | Martial Andre Robert Rousseau | 2020-01-28 |