Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11105909 | Tracking system for persons and/or objects | Paolo Argentieri, Nicholas F. Papatonis, John E. Hansley, II, Roger W. Stahl, John W. Hoffman +2 more | 2021-08-31 |
| 10339174 | Automated location visit verification for officer monitoring systems | Bryan T. Johnson | 2019-07-02 |
| 7363196 | Guard tour system | Barry J. Markwitz, Mike O'Flaherty, Jay Cross, Scott Boswell, Tom Dutton +3 more | 2008-04-22 |
| 7027955 | Guard tour system incorporating a positioning system | Barry J. Markwitz | 2006-04-11 |
| 6834259 | Guard tour system | Barry J. Markwitz, Mike O'Flaherty, Jay Cross, Scott Boswell, Tom Dutton +3 more | 2004-12-21 |