Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9176068 | Utility electronic precious gemstone type and quality detector | Leonid Radomyshelsky | 2015-11-03 |
| 8888971 | Dynamic precious metal assay device | Leonid Radomyshelsky | 2014-11-18 |
| 8673126 | Dynamic precious metal assay device | Leonid Radomyshelsky | 2014-03-18 |
| 8278906 | Apparatus for simulating thermal conductivity and electrical resistance of diamonds and their substitutes | Leonid Radomyshelsky | 2012-10-02 |
| 7362109 | Gem tester using electrical photoconductivity | — | 2008-04-22 |
| 4823365 | Synchronization method and elastic buffer circuit | — | 1989-04-18 |