Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10880628 | Audio device with sealing member and internal heat sink | Karl Edward Jacobson, Colin Taylor Mosgrove, Brenton Harry Eva | 2020-12-29 |
| 10848870 | Headphone earcup mount in continuous headband-spring headphone system | Bennett P. Daley, Allen T. Graff, Richard Arthur Grebe | 2020-11-24 |
| 10743106 | Headphone earcup mount in continuous headband-spring headphone system | Bennett P. Daley, Allen T. Graff, Richard Arthur Grebe | 2020-08-11 |