Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10769906 | Doorbell, security system including doorbell apparatus, and method of operating the same | Kiyong Jeon, Takwon Cho | 2020-09-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10769906 | Doorbell, security system including doorbell apparatus, and method of operating the same | Kiyong Jeon, Takwon Cho | 2020-09-08 |