Ronald E. Barker

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Somonauk, IL, US

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Patents Grantslast 30 patents

Information Patent Grant
Railcar draft gear assembly and system
- Patent number 6,681,943
- Issue date Jan 27, 2004
- AMSTED Industries Incorporated
- Ronald E. Barker
- B61 - RAILWAYS
Information Patent Grant
Railcar draft gear assembly and system
- Patent number 6,446,820
- Issue date Sep 10, 2002
- AMSTED Industries Incorporated
- Ronald E. Barker
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Railcar draft gear assembly and system
- Publication number 20020070189
- Publication date Jun 13, 2002
- Ronald E. Barker
- B61 - RAILWAYS