Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11095974 | External noise control for a loudspeaker | — | 2021-08-17 |
| 10631081 | Venting system for vehicle speaker assembly | Christopher Ludwig | 2020-04-21 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11095974 | External noise control for a loudspeaker | — | 2021-08-17 |
| 10631081 | Venting system for vehicle speaker assembly | Christopher Ludwig | 2020-04-21 |