Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D920425 | Wind instrument with keyboard | Toshio Watanabe | 2021-05-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D920425 | Wind instrument with keyboard | Toshio Watanabe | 2021-05-25 |