DO

David Van Otterloo

📍 Hull, IA: #10 of 17 inventorsTop 60%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #2,568,143 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11582947 Cattle water fountain 2023-02-21