Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10859505 | Fluorescence box for gemological applications | Wuyi Wang, Alex Balter, Christopher M. Breeding | 2020-12-08 |
| 8239143 | System and method for gemstone cut grading | Troy Blodgett, Al Gilbertson, Barak Green, T. Scott Hemphill, Tom Moses | 2012-08-07 |
| 8095325 | System and method for gemstone cut grading | Troy Blodgett, Al Gilbertson, Barak Green, T. Scott Hemphill, Tom Moses | 2012-01-10 |
| 7571060 | System and method for gemstone cut grading | Troy Blodgett, Al Gilbertson, Barak Green, T. Scott Hemphill, Tom Moses | 2009-08-04 |
| 7515251 | Fluorescence measuring device for gemstones | — | 2009-04-07 |
| 7262835 | Fluorescence measuring device for gemstones | — | 2007-08-28 |
| 7102742 | Fluorescence measuring device for gemstones | — | 2006-09-05 |
| 6473164 | Systems, apparatuses and methods for diamond color measurement and analysis | Peter C. de Jong | 2002-10-29 |