Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10271621 | Gemstone with a chaton cut | Karlheinz Eder, Guenther Blasbichler, Markus Sauer | 2019-04-30 |
| D656059 | Stone | — | 2012-03-20 |
| D655218 | Stone | — | 2012-03-06 |
| D649904 | Stone | — | 2011-12-06 |
| D647815 | Stone | — | 2011-11-01 |