Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10178486 | Acoustic feedback canceller | River Yuan, Ian Minett, Robert Ridder | 2019-01-08 |
| 6671743 | Method and system for exposing proprietary APIs in a privileged device driver to an application | — | 2003-12-30 |
| 5481299 | Power saving device for video screen | Lawrence G. Coffey | 1996-01-02 |