Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5964850 | System for increasing functionality through a predefined interface by use of an interconnection device to switch a non-standard echo cancellation processor onto the interface | Robin Castell, Lee Atkinson, Kevin W. Eyres, David J. DeLisle | 1999-10-12 |
| 5768615 | Method and apparatus for functional expansion through predefined signal interfaces | Robin Castell, Lee Atkinson, Kevin W. Eyres, David J. DeLisle | 1998-06-16 |