Issued Patents 2022
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480230 | Damping device of window covering | Keng-Hao Nien | 2022-10-25 |
| 11473369 | Top-down bottom-up window covering | — | 2022-10-18 |
| 11299929 | Window blind | Chin-Tai Lu | 2022-04-12 |
| 11230881 | Block and tackle window blind | Keng-Hao Nien | 2022-01-25 |
| 11220860 | Position-fixing system | Keng-Hao Nien | 2022-01-11 |