Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6182221 | Remote identity verification technique using a personal identification device | Shi-Ping Hsu, Arthur F. Messenger, Bruce W. Evans | 2001-01-30 |
| 6041410 | Personal identification fob | Shi-Ping Hsu, Arthur F. Messenger, Bruce W. Evans | 2000-03-21 |
| 6038666 | Remote identity verification technique using a personal identification device | Shi-Ping Hsu, Arthur F. Messenger, Bruce W. Evans | 2000-03-14 |