Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10360772 | Doorbell apparatus and method of controlling power supply of the same | Jong Hoon Kim, Kwang Jae Park, Seong Chul Lee | 2019-07-23 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10360772 | Doorbell apparatus and method of controlling power supply of the same | Jong Hoon Kim, Kwang Jae Park, Seong Chul Lee | 2019-07-23 |