Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172638 | Method and apparatus for education and entertainment | Luis Silva | 2012-05-08 |
| 5231671 | Method and apparatus for generating vocal harmonies | John P. Bertsch | 1993-07-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172638 | Method and apparatus for education and entertainment | Luis Silva | 2012-05-08 |
| 5231671 | Method and apparatus for generating vocal harmonies | John P. Bertsch | 1993-07-27 |