Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354508 | Ink-staining anti-theft cash box | Chia-Min Chang, Hung-Yi Chang, Yi-Hsin Chen | 2019-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354508 | Ink-staining anti-theft cash box | Chia-Min Chang, Hung-Yi Chang, Yi-Hsin Chen | 2019-07-16 |