Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11543223 | Ammunition cartridge including an optical primer | Kevin L. Callan, Andrew M. Singleton, Ryan M. Crittenden, Michael L. Fisher, Francis L. Struemph +1 more | 2023-01-03 |
| 11209257 | Voltage polarity immunity using reverse parallel laser diodes | Kevin L. Callan, Andrew M. Singleton, Ryan M. Crittenden, Michael L. Fisher, Francis L. Struemph +1 more | 2021-12-28 |
| 11198144 | Riser assemblies with pass-through utility conduits | — | 2021-12-14 |
| 10537908 | Riser assemblies with utility conduits | — | 2020-01-21 |
| 9849476 | Riser assemblies with utility conduits and methods for operating a riser assembly | — | 2017-12-26 |
| 8746590 | Riser assembly for use with fluid sprinkler | — | 2014-06-10 |
| 7832659 | Riser assembly for use with fluid sprinkler | — | 2010-11-16 |