Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10419841 | Acoustic coupling arrangements for noise-cancelling headphones and earphones | Alastair Sibbald, Robert Alcock | 2019-09-17 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10419841 | Acoustic coupling arrangements for noise-cancelling headphones and earphones | Alastair Sibbald, Robert Alcock | 2019-09-17 |