WH

W. James Hammer

3M: 1 patents #7,233 of 11,543Top 65%
📍 Windom, MN: #1,757 of 2,819 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #3,901,888 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4921884 Hydroxy-substituted polymeric shaped hydrogel article Ronald F. Ofstead 1990-05-01