Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291741 | Personnel screening system | Stephen Gray, Ronald J. Hughes, Andreas F. Kotowski | 2016-03-22 |
| 8995619 | Personnel screening system | Stephen Gray, Ronald J. Hughes, Andreas F. Kotowski | 2015-03-31 |
| 8401147 | Multiple screen detection systems | Ronald J. Hughes, Andreas F. Kotowski | 2013-03-19 |
| 8148693 | Multiple screen detection systems | Ronald J. Hughes, Andreas F. Kotowski | 2012-04-03 |
| 8003949 | Multiple screen detection systems | Ronald J. Hughes, Steven J. Gray | 2011-08-23 |
| 5076993 | Contraband detection system using direct imaging pulsed fast neutrons | Z. Peter Sawa, Tsahi Gozani | 1991-12-31 |