Issued Patents 2021
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11177940 | Method of evidencing existence of digital documents and a system therefor | Johnson Zone An KONG, Michael Lin, Ken Ming-Kin Yip | 2021-11-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11177940 | Method of evidencing existence of digital documents and a system therefor | Johnson Zone An KONG, Michael Lin, Ken Ming-Kin Yip | 2021-11-16 |