Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8987572 | System and method for teaching and testing musical pitch | Hirofumi Shimizu, Paul T. Andronis, Melinda Sota, Nathan Rollins, Nattapong Thangvijit +3 more | 2015-03-24 |
| 7152034 | Teaching method and system | Kent R. Johnson, Janet S. Iwyman, Victoria Ford, Michael P. Layng, Marilyn R. Gilbert +1 more | 2006-12-19 |
| 6523007 | Teaching method and system | Kent R. Johnson, Janet S. Twyman, Victoria Ford, Michael P. Layng, Marilyn R. Gilbert +1 more | 2003-02-18 |