Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9678017 | System for evaluating a gemstone | Davy Lapa | 2017-06-13 |
| 8834177 | Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone | Davy Lapa | 2014-09-16 |
| 6786733 | Computer-implemented method of and system for teaching an untrained observer to evaluate a gemstone | Davy Lapa | 2004-09-07 |
| D490082 | Apparatus for testing and viewing jewelry | — | 2004-05-18 |
| D474021 | Display container for jewelry | — | 2003-05-06 |