Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11177940 | Method of evidencing existence of digital documents and a system therefor | Johnson Zone An KONG, Ronald Ker-Wei Yu, Ken Ming-Kin Yip | 2021-11-16 |
| 11130621 | Piston box | Kaveh Goudarzian, Chad Hockin, Daniel Wang, Frank Michael Marceau | 2021-09-28 |