Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827247 | Earphone | Abby Tilton, Richard Arthur Grebe, Donna Marie Sullivan, Christopher Ratcliffe | 2020-11-03 |
| 10805707 | Systems and methods for unconstrained battery spring tab assemblies for in-ear headphone | Richard Arthur Grebe, Daniel D. Gonsalves | 2020-10-13 |
| 10701472 | Earbud charging case | Zhen Xu, Donna Marie Sullivan, Abby Tilton, Richard Arthur Grebe | 2020-06-30 |