Issued Patents All Time
Showing 1–9 of 9 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 |
| D1030769 | Wall mountable door access device | Daniel Reetz, Alastair Partington | 2024-06-11 |
| 11995914 | Fast face image capture system | Sunny Wang, Keith W. Hartman | 2024-05-28 |
| 11176357 | Fast face image capture system | Sunny Wang, Keith W. Hartman | 2021-11-16 |
| 8991297 | Compressors with improved sealing assemblies | Trung N. Tran | 2015-03-31 |
| 8243133 | Scale-invariant, resolution-invariant iris imaging using reflection from the eye | Malcolm J. Northcott, J. Elon Graves | 2012-08-14 |
| 8132912 | Iris imaging system using circular deformable mirror mounted by its circumference | Malcolm J. Northcott, J. Elon Graves, Siegfried Fleischer | 2012-03-13 |
| 7634848 | Method for retaining and positioning a shaft in a machine | Dan Bexten | 2009-12-22 |