Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7672461 | Method and apparatus for creating a virtual third channel in a two-channel amplifier | Jon M. Risch | 2010-03-02 |
| 7251333 | Method and apparatus for creating a virtual third channel in a two-channel amplifier | Jon M. Risch | 2007-07-31 |