CM

Charles E. Mehlhaf

📍 Freeman, SD: #3 of 8 inventorsTop 40%
🗺 South Dakota: #1,077 of 2,308 inventorsTop 50%
Overall (All Time): #3,459,584 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6948669 Apparatus for mixing and aerating material — 2005-09-27