DA

David J. Achten

3M: 1 patents #7,233 of 11,543Top 65%
📍 Oakdale, MN: #244 of 368 inventorsTop 70%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,068,322 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4325197 Quick-erect portable display structure Robert W. Fritts 1982-04-20