Issued Patents 2017
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9799463 | Automatic control device for padlock | Chung-Yeop Sin, Cheol Jeong, Byung-Rae Hyung | 2017-10-24 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9799463 | Automatic control device for padlock | Chung-Yeop Sin, Cheol Jeong, Byung-Rae Hyung | 2017-10-24 |