DS

Doug A. Spangler

AI Amg Industries: 1 patents #3 of 11Top 30%
📍 Galena, OH: #51 of 89 inventorsTop 60%
🗺 Ohio: #42,657 of 73,341 inventorsTop 60%
Overall (All Time): #2,679,318 of 4,157,543Top 65%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11441473 Clampless tail pipe assembly Dirk K. Kaiser, Les Griswold, Dragan Maric 2022-09-13