Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9761206 | Wind instrument trumpet and its manufacturing and molding methods | — | 2017-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9761206 | Wind instrument trumpet and its manufacturing and molding methods | — | 2017-09-12 |