JT

John H. Threlkeld

📍 Britt, IA: #2 of 10 inventorsTop 20%
🗺 Iowa: #6,094 of 15,303 inventorsTop 40%
Overall (All Time): #2,363,986 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D271038 Liquid sprayer Donald R. Anderson, Iven R. Norstrud 1983-10-18
4408720 Demountable wheeled liquid sprayer Donald R. Anderson, Iven R. Norstrud 1983-10-11