Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10718155 | Light blocking system for vertical blind | Chih-Yao Chang, Lin Chen, Keng-Hao Nien, Chin-Tai Lu, Chao-Hung Nien | 2020-07-21 |
| 10619411 | Light shielding structure for vertical blind | — | 2020-04-14 |
| 10563455 | Locking mechanism for cord of window covering | Lin Chen, Keng-Hao Nien | 2020-02-18 |