John R. Downes

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Columbus, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Light weight draft arm
- Patent number 5,943,964
- Issue date Aug 31, 1999
- Buckeye Steel Castings
- John R. Downes
- B61 - RAILWAYS
Information Patent Grant
Lightweight and topless draft arm
- Patent number 5,927,521
- Issue date Jul 27, 1999
- Buckeye Steel Castings Co.
- John R. Downes
- B61 - RAILWAYS
Information Patent Grant
Railroad hopper car underframe transition casting
- Patent number 5,762,003
- Issue date Jun 9, 1998
- Buckeye Steel Castings Company
- John R. Downes
- B61 - RAILWAYS