RD

Randal L. DuFresne

General Motors: 1 patents #9,361 of 18,328Top 55%
📍 Ironwood, MI: #56 of 130 inventorsTop 45%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,502,625 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6520159 Engine converter misfire protection method and apparatus Vincent A. White 2003-02-18