Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10827247 | Earphone | Abby Tilton, Richard Arthur Grebe, Donna Marie Sullivan, Daniel H. Sargent | 2020-11-03 |
| 10779077 | Microphone cavity | Austin Mackey, Brandon Leo Hicks, Donna Marie Sullivan | 2020-09-15 |