Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12399131 | Detection and grading of the effect of blue fluorescence on diamond appearances | Yun Luo, David Vern Nelson, Troy Ardon | 2025-08-26 |
| 11988610 | Detection and grading of the effect of blue fluorescence on diamond appearances | Yun Luo, David Vern Nelson, Troy Ardon | 2024-05-21 |
| 10859505 | Fluorescence box for gemological applications | Ronald Geurts, Wuyi Wang, Alex Balter | 2020-12-08 |