Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11140479 | Integrated loudspeaker and control device | Douglas N. Laube, Charles D. Gollnick | 2021-10-05 |
| 11057704 | Integrated loudspeaker and control device | Douglas N. Laube, Charles D. Gollnick | 2021-07-06 |