JK

John C. Kooima

📍 Rock Valley, IA: #4 of 22 inventorsTop 20%
🗺 Iowa: #3,757 of 15,303 inventorsTop 25%
Overall (All Time): #1,276,435 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6327970 Grain husk cracking plate Phillip Kooima 2001-12-11
6234072 Grain husk cracking plate Phillip Kooima 2001-05-22
6092750 Agricultural mixer auger cutting blade Phillip Kooima 2000-07-25
5823449 Agricultural feed mixer blade Philip G. Kooima 1998-10-20