Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12080265 | Active noise cancelling system | — | 2024-09-03 |
| 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 |
| 10249282 | Active noise reduction device | Mark Donaldson | 2019-04-02 |
| 9654854 | In-ear device incorporating active noise reduction | Yacine Azmi, Mickael Bernard Andre Lefebvre, Oliver M. Hewitt | 2017-05-16 |
| 9357283 | Earphone apparatus | — | 2016-05-31 |
| 9106999 | Noise reducing earphone | — | 2015-08-11 |
| 6621909 | Horn loudspeaker and loudspeaker systems | William Webb, Oliver Wright | 2003-09-16 |
| 5600729 | Ear defenders employing active noise control | Gerald A. Powell | 1997-02-04 |