DD

Douglas Edward DeVries

CT Consumer Safety Technology: 1 patents #1 of 2Top 50%
📍 Johnston, IA: #23 of 44 inventorsTop 55%
🗺 Iowa: #361 of 1,342 inventorsTop 30%
Overall (2011): #314,388 of 364,097Top 90%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7934577 Ignition interlock breathalyzer Michael W. Walter 2011-05-03