CH

Craig Robert Hemmingsen

📍 Charles City, IA: #23 of 49 inventorsTop 50%
🗺 Iowa: #8,735 of 15,303 inventorsTop 60%
Overall (All Time): #3,238,940 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7878524 Gooseneck trailer hitch convertible to a lifting boom — 2011-02-01