Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9661938 | Foldable frame assembly for a playpen | Yu-Wen Wang, Chen-Tai Chang | 2017-05-30 |
| 8915516 | Convertible tandem stroller frame | Cheng-Fan Yang, Chen-Tai Chang, Fu-Peng Chou | 2014-12-23 |
| 8857830 | Folding stroller improvements | Ho-Sheng Chen, Lung-Sheng Chen | 2014-10-14 |