Issued Patents 2020
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10762666 | Colour grading process and system for diamonds | Ka Wing Cheng, Kin Wing Wong, Kong CHAN, Juan CHENG, Wing Chi TANG | 2020-09-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10762666 | Colour grading process and system for diamonds | Ka Wing Cheng, Kin Wing Wong, Kong CHAN, Juan CHENG, Wing Chi TANG | 2020-09-01 |