Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594258 | Access control systems and methods using visibility tokens with automatic propagation | Jianchang Mao, Zhichen Xu, Chad Walters, John C. Wang | 2009-09-22 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7594258 | Access control systems and methods using visibility tokens with automatic propagation | Jianchang Mao, Zhichen Xu, Chad Walters, John C. Wang | 2009-09-22 |