Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8572403 | Digital video guard | Mark Beaumont, Kenneth Kwok-Hei Yiu, Joshua David Green | 2013-10-29 |
| 6108787 | Method and means for interconnecting different security level networks | Mark Stephen Anderson, John Edmund Griffin, John Desborough Yesberg, Kenneth Kwok-Hei Yiu, Robert MILNER | 2000-08-22 |