Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11115749 | In-ear active noise-cancelling earphone | Michael Perkmann | 2021-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11115749 | In-ear active noise-cancelling earphone | Michael Perkmann | 2021-09-07 |