Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10869144 | Method and apparatus for testing earphone apparatus | Ben Skelton | 2020-12-15 |
| 10720144 | Earphone test system | Ben Skelton, Mark Donaldson | 2020-07-21 |
| 10714071 | Active noise reduction device | Mark Donaldson | 2020-07-14 |
| 10655440 | Earphone testing | Ben Skelton | 2020-05-19 |