Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9441417 | Pull rope free curtain structure | Yang-Hsin Shih | 2016-09-13 |
| 8794296 | Window blind without using a lift cord | Yang-Hsin Shih | 2014-08-05 |
| 8789575 | Stringless blinds | Yang-Hsin Shih | 2014-07-29 |
| 6834518 | Knitting process for fabric curtain with trimming | Chin-Tien Huang | 2004-12-28 |