Dennis E. Duello

📍 Vinton, IA: #8 of 28 inventorsTop 30%

🗺 Iowa: #4,661 of 15,303 inventorsTop 35%

Overall (All Time): #1,616,164 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
6389999	Dynamic controller of excess downpressure for surface engaging implement	—	2002-05-21
5775585	Method and means for evenly distributing particulate fertilizer	—	1998-07-07
4646851	Bi-fold toolbar	—	1987-03-03