Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12339263 | Detection device transfer system | Douglas Edward DeVries | 2025-06-24 |
| 12241879 | Reference gas management in a breath alcohol calibration station | Douglas Edward DeVries | 2025-03-04 |
| 12203925 | Dual sensor types in intoxicant detection | Douglas Edward DeVries | 2025-01-21 |