Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137355 | Process and system for diamond clarity measurement | Ka Wing Cheng, Wing Chi TANG | 2021-10-05 |
| 11016033 | Diamond clarity measurement process and system | Ka Wing Cheng, Kin Wing Wong, Kong CHAN, Juan CHENG, Wing Chi TANG | 2021-05-25 |