Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10165353 | Electroacoustic sound transducer, and earphone | Christian Grone | 2018-12-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10165353 | Electroacoustic sound transducer, and earphone | Christian Grone | 2018-12-25 |