Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7040374 | Electromagnetic clutch-controlled electric blind | Yu-Che Wen, Song-He Lui | 2006-05-09 |
| 6789597 | Electromagnetic clutch-controlled electric blind | Yu-Che Wen, Song-He Lui | 2004-09-14 |
| 6575223 | Concealed type lifting control mechanism for venetian blind | Yung-Chen Chung, CHIN-CHENG CHEN | 2003-06-10 |
| 6412381 | Venetian blind cutting machine | Wei Wang | 2002-07-02 |
| 6029734 | Venetian blind provided with slat-lifting mechanism having a concealed pull cord | Wei Wang, Ray T. Chen | 2000-02-29 |
| 6024154 | Venetian blind lifting mechanism provided with concealed pull cords | Wei Wang, Chen-Chin Cheng, Ray T. Chen | 2000-02-15 |
| 6012506 | Venetian blind provided with slat-lifting mechanism having constant force equilibrium | Wei Wang, Chen-Chin Cheng, Fu-Jen Kao | 2000-01-11 |