Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9159306 | Music teaching device and method | André M. Lippens | 2015-10-13 |
| 9070302 | Music teaching device and method | André M. Lippens | 2015-06-30 |
| 8987573 | Music teaching device and method | André M. Lippens | 2015-03-24 |