Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10477300 | Air pulse generating element and sound producing device | David Hong, Jemm Yue Liang | 2019-11-12 |
| 10425732 | Sound producing device | Jemm Yue Liang | 2019-09-24 |
| 10327060 | Air pulse generating element and sound producing device | David Hong, Jemm Yue Liang | 2019-06-18 |