Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11140479 | Integrated loudspeaker and control device | Charles D. Gollnick, Dale Irving | 2021-10-05 |
| 11057704 | Integrated loudspeaker and control device | Charles D. Gollnick, Dale Irving | 2021-07-06 |
| D914638 | Tear drop pendant speaker | Myrna Lefke Lewis | 2021-03-30 |