Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10883234 | Traffic warning systems, methods, and devices | Roger D. Koyle, Bradley K. Andrews | 2021-01-05 |
| 10494780 | Traffic warning systems, methods, and devices | Roger D. Koyle, Bradley K. Andrews | 2019-12-03 |
| 9863199 | Soil sampler lay flat sheet liner system | Kyle Riedel, Joel Christy | 2018-01-09 |