Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171040 | Removing polymer through treatment | Che-Cheng Chang, Wen-Tung Chen, Yu-Cheng Liu, Horng-Huei Tseng | 2021-11-09 |
| 11015388 | Ladder cord fastening seat for non-pull window blind | Ming-Che Tsai | 2021-05-25 |
| 10982488 | Dual-torsion-spring cord rolling device for window blind without exposed pull cord | Ming-Che Tsai | 2021-04-20 |