Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11032441 | Watermark printed on matching color media forming metameric pair | — | 2021-06-08 |
| 11006021 | Non-copy correlation mark | Jonathan Ireland | 2021-05-11 |
| 10999466 | Identifying original and copy using ultraviolet light to reveal hidden security printing features | — | 2021-05-04 |