Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11078724 | Window covering | Keng-Hao Nien | 2021-08-03 |
| 11008807 | Position-fixing system | Keng-Hao Nien | 2021-05-18 |
| 10968695 | Fixing assembly for roller shade | Hai Liang, Keng-Hao Nien | 2021-04-06 |