DH

David James Haugen

UE US EPA: 2 patents #2 of 12Top 20%
📍 Waterloo, IA: #2 of 25 inventorsTop 8%
🗺 Iowa: #150 of 1,342 inventorsTop 15%
Overall (2011): #105,522 of 364,097Top 30%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8061121 Flex fuel internal combustion engine system — 2011-11-22
7861525 Dual volute turbocharger — 2011-01-04