CH

Christopher W. Helms

📍 Box Elder, SD: #10 of 18 inventorsTop 60%
🗺 South Dakota: #1,077 of 2,308 inventorsTop 50%
Overall (All Time): #3,567,989 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D468066 Rechargeable battery-powered livestock prod Gordon O. Helms 2002-12-31