CH

Christopher W. Helms

📍 Box Elder, SD: #2 of 2 inventorsTop 100%
🗺 South Dakota: #27 of 126 inventorsTop 25%
Overall (2002): #242,762 of 266,432Top 95%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

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