Roger Fitz

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Lee's Summit, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Digital train system for automatically detecting trains approaching...
- Patent number 7,254,467
- Issue date Aug 7, 2007
- General Electric Company
- Jeff Fries
- B61 - RAILWAYS

Patents Applicationslast 30 patents

Information Patent Application
Digital train system for automatically detecting trains approaching...
- Publication number 20040181321
- Publication date Sep 16, 2004
- General Electric Company
- Jeff Fries
- B61 - RAILWAYS