DH

Dale A. Hill

DL Douglas & Lomason: 1 patents #7 of 25Top 30%
📍 Humboldt, IA: #14 of 29 inventorsTop 50%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,992,445 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4577454 Valve bag placing machine and method Paul R. Wright 1986-03-25