Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518929 | Engraved gemstone viewer for personal communications devices | Randall M. Wagner | 2016-12-13 |
| 9239294 | Gem identification method and apparatus using digital imaging viewer | Randall M. Wagner, Xianghong Zhao | 2016-01-19 |