Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10783870 | Audio playback device and method having noise-cancelling mechanism | Wei He | 2020-09-22 |
| 10580067 | Gas cylinder lease system | Chun-Hsien Cho | 2020-03-03 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10783870 | Audio playback device and method having noise-cancelling mechanism | Wei He | 2020-09-22 |
| 10580067 | Gas cylinder lease system | Chun-Hsien Cho | 2020-03-03 |