Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8512041 | Combat simulation at close range and long range | Peter F. Reardon, Steven Preston | 2013-08-20 |
| 8408908 | Non-pyrotechnic detonation simulator | Steven Preston, Thomas H. Penner, James A. Frey | 2013-04-02 |
| 8408909 | Non-pyrotechnic cueing device | Steven Preston | 2013-04-02 |
| 8128405 | System, method and apparatus for relaying simulation data | Steven Preston, Thomas H. Penner, Edward S. Kaprocki | 2012-03-06 |