Issued Patents 2020
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10798500 | Behind-the-ear hearing aid | Chengxiang Zhang | 2020-10-06 |
| D896387 | Hearing aid | Chengxiang Zhang | 2020-09-15 |
| D896388 | Main unit of hearing aid | Chengxiang Zhang | 2020-09-15 |
| D872280 | Hearing aid | Chengxiang Zhang | 2020-01-07 |