RD

Richard A. Dugge

AI Acf Industries Incorporated: 1 patents #87 of 178Top 50%
Overall (All Time): #3,861,925 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5158022 Hatch vent assembly for railroad cars with baffle and screen mesh to prevent entry of contaminants William U. Casseau, John A. Krug 1992-10-27