Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10755693 | Acoustic apparatus and vibration transmission method | — | 2020-08-25 |
| 10540949 | Musical instrument capable of producing additional vibration sound and method therefor | Tom Schröer | 2020-01-21 |