Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121318 | Two channel audio surround sound circuit with automatic level control | Paul R. Ambourn | 2012-02-21 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8121318 | Two channel audio surround sound circuit with automatic level control | Paul R. Ambourn | 2012-02-21 |