PF

Peter O. Frettem

📍 Cannon Falls, MN: #20 of 38 inventorsTop 55%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,978,189 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4679260 Flexible stretcher device — 1987-07-14