RF

Ronald G. Fredrickson

DC Dakota Manufacturing Company: 1 patents #10 of 18Top 60%
📍 Mitchell, SD: #24 of 65 inventorsTop 40%
🗺 South Dakota: #678 of 2,308 inventorsTop 30%
Overall (All Time): #2,361,289 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4372727 Trailer including a multiple fold powered ramp tail Joseph W. Bills, Jr. 1983-02-08
4242022 Mounting D-rings on truck trailers 1980-12-30