Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5215352 | Adjustable seat assembly for a wheeled chair | Bean-Shung Yeh, Bee Su, Lin-Yun Wu | 1993-06-01 |
| 5180025 | Wheeled-chair chassis with a suspension mechanism | Bean-Shung Yeh, Bean-Horng Su, Lin-Yun Wu | 1993-01-19 |
| 4848618 | Collapsible container | Chii-Yah Yuan, Tsz-Gang Tswei, Chang-Franw Lee, Ching-Hwa Lin, Wen-Kuang Chen | 1989-07-18 |