Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515738 | Method of determining the authenticity and the geographical origin of gemstones such as beryls | Bruno Sabot, Alain Cheilletz, Philippe de Donato | 2003-02-04 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6515738 | Method of determining the authenticity and the geographical origin of gemstones such as beryls | Bruno Sabot, Alain Cheilletz, Philippe de Donato | 2003-02-04 |