Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11475262 | Unique secured product identification for gemstones | — | 2022-10-18 |
| 10893727 | Faceted gemstone with enhanced color dispersion and diminished haze | — | 2021-01-19 |
| 9770936 | System for and method of producing a security mark on a micro-porous structure | — | 2017-09-26 |
| 8705018 | Arrangement for and method of examining gemstones | Jason Ian VanAnden, David Liatti | 2014-04-22 |
| 7810725 | Microdot tag | — | 2010-10-12 |
| 7398658 | Gemstone marking system and method | — | 2008-07-15 |
| 7063596 | Vibratory material removal system, tool and method | — | 2006-06-20 |
| 6788714 | Laser marking system and method | — | 2004-09-07 |
| 6747242 | Gemstone marking system and method | — | 2004-06-08 |
| 6662716 | Flame marking system and method | — | 2003-12-16 |
| 6660964 | Optical modification of laser beam cross section in object marking systems | — | 2003-12-09 |
| 6642475 | Etched article and method of etching | — | 2003-11-04 |
| 6612906 | Vibratory material removal system and method | — | 2003-09-02 |
| D477243 | Ring setting | — | 2003-07-15 |
| 6593543 | Gemstone marking system and method | — | 2003-07-15 |
| 6483073 | Laser marking system and method | — | 2002-11-19 |
| 6422037 | Decorative article with engraved high contrast image | — | 2002-07-23 |
| 5799511 | Decorative article with engraved high visibility image | — | 1998-09-01 |
| 5609043 | Decorative article with engraved image | — | 1997-03-11 |
| D334154 | Gemstone | — | 1993-03-23 |