Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991198 | Visible authentication patterns for printed document | Jian Zhao, Justin Picard | 2011-08-02 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991198 | Visible authentication patterns for printed document | Jian Zhao, Justin Picard | 2011-08-02 |