DH

Dave Hassenfritz

📍 Sac City, IA: #15 of 24 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #4,039,544 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4466364 Planter attachment — 1984-08-21