Jeff A. Sivinski

HI Harvest International: 1 patents #4 of 6Top 70%

📍 Cherokee, IA: #3 of 10 inventorsTop 30%

🗺 Iowa: #8,735 of 15,303 inventorsTop 60%

Overall (All Time): #3,039,408 of 4,157,543Top 75%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D722738	Portable dual tube grain auger	Byron James Friesen, Garry D. Friesen	2015-02-17