Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6478328 | Locking device with safety mechanism for collapsible stroller | Cheng-Fan Yang | 2002-11-12 |
| 6442797 | Flexible transmission device | Cheng-Fan Yang, Mao-Shen Chen | 2002-09-03 |
| D452665 | Latch mechanism for collapsible stroller | Cheng-Fan Yang, Youn-Fu You | 2002-01-01 |