Frank J. Marchiori

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San Antonio, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Trackside railcar door opener and closer
- Patent number 7,178,465
- Issue date Feb 20, 2007
- Ralph A. Marchiori
- B61 - RAILWAYS
Information Patent Grant
Trackside railcar door opener and closer
- Patent number 7,063,022
- Issue date Jun 20, 2006
- Ralph A. Marchiori
- B61 - RAILWAYS