Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9816317 | Spring-assisted cordless roller shade without clutch system | I-Ming Chen | 2017-11-14 |
| 9543399 | Device having sloped gate profile and method of manufacture | Ru-Shang Hsiao, Ling-Sung Wang, Chih-Mu Huang, Ming-Tsang Tsai, Kuan-Yu Chen | 2017-01-10 |