Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938514 | Clarinet mouthpiece | Yon-Hua Tzeng | 2021-12-14 |
| 11145282 | Woodwind mouthpiece | Yon-Hua Tzeng | 2021-10-12 |
| D926869 | Saxophone mouthpiece | Yon-Hua Tzeng | 2021-08-03 |
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D938514 | Clarinet mouthpiece | Yon-Hua Tzeng | 2021-12-14 |
| 11145282 | Woodwind mouthpiece | Yon-Hua Tzeng | 2021-10-12 |
| D926869 | Saxophone mouthpiece | Yon-Hua Tzeng | 2021-08-03 |