Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |