Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6094491 | Capacitive touch detection | Paul Anthony Frindle, John East | 2000-07-25 |
| 6075662 | Multichannel Audio recording method and apparatus | — | 2000-06-13 |
| 6061458 | Audio mixing console | John East, Paul Anthony Frindle, William Edmund Cranstoun Kentish | 2000-05-09 |
| 5940521 | Audio mixing console | John East, Paul Anthony Frindle, Tetsuya Konishi | 1999-08-17 |
| 5930375 | Audio mixing console | John East, Paul Anthony Frindle, William Edmund Cranstoun Kentish | 1999-07-27 |
| 5880718 | Capacitive touch detection | Paul Anthony Frindle, John East | 1999-03-09 |
| 5778417 | Digital signal processing for audio mixing console with a plurality of user operable data input devices | William Edmund Cranstoun Kentish, Tetsuya Konishi, John East | 1998-07-07 |
| 5677962 | Hybrid analog and digital amplifier with a delayed step change in the digital gain | Paul Anthony Frindle | 1997-10-14 |