Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12000762 | Systems and methods for confining ballast samples | Darrell R. Krueger, Michael A. Wnek | 2024-06-04 |
| 11199478 | Systems and methods for confining ballast samples | Darrell R. Krueger, Michael A. Wnek | 2021-12-14 |