RF

Robert N. Fredrickson

📍 Ironwood, MI: #56 of 130 inventorsTop 45%
🗺 Michigan: #49,615 of 86,293 inventorsTop 60%
Overall (All Time): #3,867,606 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4984371 Chain saw log gauge for obtaining firewood logs of uniform length — 1991-01-15