Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8238577 | Audio system with tone controller for use in a computer | Mathew A. Rybicki | 2012-08-07 |
| 8233639 | Audio codec producing a tone controlled output | Mathew A. Rybicki | 2012-07-31 |
| 7302067 | Audio system for a computer | Mathew A. Rybicki | 2007-11-27 |
| 6931139 | Computer audio system | Mathew A. Rybicki | 2005-08-16 |