Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644698 | Optical dial device | Chueh-Pin Ko, Chih-Chiang Chen | 2020-05-05 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10644698 | Optical dial device | Chueh-Pin Ko, Chih-Chiang Chen | 2020-05-05 |