DD

Douglas Edward DeVries

CT Consumer Safety Technology: 3 patents #1 of 19Top 6%
📍 Johnston, IA: #11 of 54 inventorsTop 25%
🗺 Iowa: #96 of 1,331 inventorsTop 8%
Overall (2025): #63,542 of 469,880Top 15%
3
Patents 2025

Issued Patents 2025

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
12339263 Detection device transfer system Scott Ruland 2025-06-24
12241879 Reference gas management in a breath alcohol calibration station Scott Ruland 2025-03-04
12203925 Dual sensor types in intoxicant detection Scott Ruland 2025-01-21