Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12424042 | Multi-factor authentication door access control system | Keith W. Hartman, Sunny Wang, Stephen Connor | 2025-09-23 |
| 12277803 | Thermal based presentation attack detection for biometric systems | Keith W. Hartman | 2025-04-15 |