Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6924425 | Method and apparatus for storing a multipart audio performance with interactive playback | Kevin Morgan | 2005-08-02 |
| 6175070 | System and method for variable music notation | Bert Snow, Thomas Zack, John Paquette, Robert Ferry | 2001-01-16 |