Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801777 | Walking aid device | Chia-Pao Chang, Yu-Cheng Chang | 2017-10-31 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9801777 | Walking aid device | Chia-Pao Chang, Yu-Cheng Chang | 2017-10-31 |