DD

Donald J. Dell

AC American Colloid: 1 patents #28 of 49Top 60%
📍 Spearfish, SD: #26 of 41 inventorsTop 65%
🗺 South Dakota: #1,077 of 2,308 inventorsTop 50%
Overall (All Time): #3,826,744 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5221290 Charcoal briquettes bound with an organic binder and a water-swellable clay and method — 1993-06-22