Richard A. Humpal

JD John Deere: 1 patents #67 of 241Top 30%

📍 Ankeny, IA: #5 of 23 inventorsTop 25%

🗺 Iowa: #250 of 1,029 inventorsTop 25%

Overall (2002): #132,472 of 266,432Top 50%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6402051	Fold cylinder structure	—	2002-06-11