SC

Stephen E. Cerven

YM Yetter Manufacturing: 2 patents #9 of 18Top 50%
📍 Colchester, IL: #7 of 14 inventorsTop 50%
🗺 Illinois: #34,584 of 84,256 inventorsTop 45%
Overall (All Time): #2,128,968 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7832345 Crop debris clearing device Patrick Whalen, Derek Litchfield 2010-11-16
7240627 Crop debris clearing device Patrick Whalen, Derek Litchfield 2007-07-10