Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9105003 | Freight tracking and control system | Jeffrey Berichon, Lance T. Pfeifer | 2015-08-11 |
| 7778802 | Wireless devices as guard tour checkpoint data collection and checkpoint data communication devices | Barry J. Markwitz | 2010-08-17 |
| 7345577 | Displays for reporting guard tour data | Barry J. Markwitz | 2008-03-18 |