JD

John R. Downes

BC Buckeye Steel Castings: 3 patents #3 of 13Top 25%
📍 Columbus, OH: #1,065 of 3,880 inventorsTop 30%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,634,529 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5943964 Light weight draft arm Todd W. Stecker 1999-08-31
5927521 Lightweight and topless draft arm Kenneth W. Trainer 1999-07-27
5762003 Railroad hopper car underframe transition casting Carl D. McClurg 1998-06-09