Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8233020 | Enhanced imaging of features | Valentin Karasyuk | 2012-07-31 |
| 6646771 | Method for producing holographic optical element comprising primary and complementary holograms and associated methods for establishing authenticity of element used as security device | — | 2003-11-11 |