Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173556 | Cord winding device with fine adjustment and correction and window blind using same | Sheng Ying Hsu, Ming-Chu Chiang | 2024-12-24 |
| 11505989 | Cord winding assembly with fine adjustment and correction and window blind using same | Ming-Chu Chiang | 2022-11-22 |