Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8786400 | Access control system | Michael T. Harkins | 2014-07-22 |
| 8437740 | Key control with real time communications to remote locations | Jay Despain, James Petrizzi, Jonathan Gordon Hays, Wayne F. Larson | 2013-05-07 |
| 8335488 | Key control with real time communications to remote locations | Jay Despain, James Petrizzi, Jonathan Gordon Hays | 2012-12-18 |
| 8058971 | Access control system | Michael T. Harkins | 2011-11-15 |
| 7880584 | Lockbox key with callback feature | Wayne F. Larson, Michael T. Harkins, Teri Lynne Briskey, Jerry Switzer | 2011-02-01 |
| 7606558 | Key control with real time communications to remote locations | Jay Despain, James Petrizzi, Jonathon G. Hays | 2009-10-20 |