Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410352 | Door closer provided with unit for adding door-closing force | Joungwoo Lee | 2016-08-09 |
| 9410353 | Door closer | Joungwoo Lee | 2016-08-09 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9410352 | Door closer provided with unit for adding door-closing force | Joungwoo Lee | 2016-08-09 |
| 9410353 | Door closer | Joungwoo Lee | 2016-08-09 |