Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11176919 | Acoustic filler including acoustically active beads and expandable filler | Andrey Gavryushin, Juergen Sauer | 2021-11-16 |
| 11109150 | Coating for improving loudspeaker sound quality | Juergen Sauer | 2021-08-31 |