Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10475269 | Covert secure document registration system | Brian Lewis, Xiaorong Cai, David Altfeder | 2019-11-12 |
| 10400121 | Nir-to-visible upconversion inkjet inks | Xiaorong Cai | 2019-09-03 |