Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8164419 | Electronic lock box with time-related data encryption based on user-selected pin | — | 2012-04-24 |
| 8151608 | Electronic lock box with mechanism immobilizer features | Matthew K. Caskey, John P. Crutcher, Robin S. Glassburn, Wendell Morris | 2012-04-10 |
| 7999656 | Electronic lock box with key presence sensing | — | 2011-08-16 |
| 7903846 | Method for using an electronic lock box with a biometric identification device | — | 2011-03-08 |
| 7734068 | Electronic lock box using a biometric identification device | — | 2010-06-08 |
| 7420456 | Electronic lock box with multiple modes and security states | — | 2008-09-02 |
| 7193503 | Electronic lock system and method for its use with a secure memory card | — | 2007-03-20 |
| 7086258 | Electronic lock box with single linear actuator operating two different latching mechanisms | William George Noack, Bret W. Smith, Randolph C. Stewart | 2006-08-08 |
| 7009489 | Electronic lock system and method for its use | — | 2006-03-07 |
| 6989732 | Electronic lock system and method for its use with card only mode | — | 2006-01-24 |
| D495234 | Electronic lock box | William J. Kraimer | 2004-08-31 |