PA

Ponnayan Ayyappan

JD John Deere: 1 patents #2,957 of 5,518Top 55%
📍 Cedar Falls, IA: #286 of 441 inventorsTop 65%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,172,691 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8518354 Diesel exhaust fluid formulation having a high ammonium content and a low freezing point Tom Harris, Danan Dou 2013-08-27