WH

William E. Hafner

📍 Richfield, MN: #163 of 268 inventorsTop 65%
🗺 Minnesota: #32,449 of 52,454 inventorsTop 65%
Overall (All Time): #4,027,002 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4561617 Support device for displaying objects — 1985-12-31