Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9269221 | Configuration of interfaces for a location detection system and application | Bryan Kelly, David L. Brown, Fred S. Hirt | 2016-02-23 |
| 7883003 | Tracking system using personal digital key groups | Bryan Kelly, David L. Brown, Fred S. Hirt | 2011-02-08 |