Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9333980 | Assistance device for climbing stairs | Pao-Pao Liu, Yu-Zen Tseng, Chin-Chia Liu | 2016-05-10 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9333980 | Assistance device for climbing stairs | Pao-Pao Liu, Yu-Zen Tseng, Chin-Chia Liu | 2016-05-10 |