Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9118992 | Ported enclosure and automated equalization of frequency response in a micro-speaker audio system | David L. Dignam | 2015-08-25 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9118992 | Ported enclosure and automated equalization of frequency response in a micro-speaker audio system | David L. Dignam | 2015-08-25 |