RD

Randal J. Dufault

📍 Duluth, MN: #165 of 317 inventorsTop 55%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,840,585 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5273211 Trailer device for mixing and spreading sand and peat Michael J. Pierce, Kevin J. Pierce, Wayne A. Pierce, Lyle S. Pierce 1993-12-28