Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365577 | Spindle structure for preventing sliding doors from swaying | Hyung-In Yun, Ji-Hak Yoo | 2022-06-21 |
| 11313163 | Link type structure for preventing opposite sliding doors from swaying | Hyung-In Yun, Ji-Hak Yoo | 2022-04-26 |