DB

David J. Blake

AI Amcol International: 1 patents #74 of 129Top 60%
📍 Belle Fourche, SD: #4 of 19 inventorsTop 25%
🗺 South Dakota: #678 of 2,308 inventorsTop 30%
Overall (All Time): #2,182,085 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6920740 Continuous bag closing apparatus and method Cory Muhm 2005-07-26
4597091 Pill counter — 1986-06-24