Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5434948 | Polyphonic coding | Christopher E. Holt, Barry Michael George Cheetham | 1995-07-18 |
| 5133013 | Noise reduction by using spectral decomposition and non-linear transformation | — | 1992-07-21 |