Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949013 | Keyboard musical instrument equipped with hammer stopper implemented by parallelogram link mechanism | — | 1999-09-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5949013 | Keyboard musical instrument equipped with hammer stopper implemented by parallelogram link mechanism | — | 1999-09-07 |