Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D871483 | Doorbell camera | Chia-Yuan Chang, Jung-Wen Chang | 2019-12-31 |
| D870704 | Speaker | Chee-Chun Leung, Chia-Yuan Chang, Jung-Wen Chang | 2019-12-24 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D871483 | Doorbell camera | Chia-Yuan Chang, Jung-Wen Chang | 2019-12-31 |
| D870704 | Speaker | Chee-Chun Leung, Chia-Yuan Chang, Jung-Wen Chang | 2019-12-24 |