Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10501985 | System and device for window covering | Keng-Hao Nien | 2019-12-10 |
| 10451145 | System and device for window covering system | Keng-Hao Nien | 2019-10-22 |
| 10415617 | Connecting structure and covering device for opening of building | Keng-Hao Nien | 2019-09-17 |
| 10302172 | Window covering system and window covering control assembly thereof | Keng-Hao Nien | 2019-05-28 |
| 10221619 | Lifting device of cordless covering | — | 2019-03-05 |