Issued Patents 2018
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10107032 | Control mechanism for raising and lowering window covering | Keng-Hao Nien | 2018-10-23 |
| 10036196 | Automatic closing structure for slats of sash | Keng-Hao Nien | 2018-07-31 |
| 10036199 | Window blind | Chih-Yao Chang | 2018-07-31 |
| 9988838 | TDBU window covering with carriage structure | Keng-Hao Nien | 2018-06-05 |