Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11543223 | Ammunition cartridge including an optical primer | Kevin L. Callan, Andrew M. Singleton, Michael L. Fisher, Wade E. Collins, Francis L. Struemph +1 more | 2023-01-03 |
| 11209257 | Voltage polarity immunity using reverse parallel laser diodes | Kevin L. Callan, Andrew M. Singleton, Michael L. Fisher, Wade E. Collins, Francis L. Struemph +1 more | 2021-12-28 |