Mark Hefner

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Indiatlantic, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Communications system and method for interconnected networks having...
- Patent number 6,867,708
- Issue date Mar 15, 2005
- Albert Donald Darby, Jr.
- B61 - RAILWAYS
Information Patent Grant
Communications system and method for interconnected networks having...
- Patent number 6,400,281
- Issue date Jun 4, 2002
- Albert Donald Darby
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
Communications system and method for interconnected networks having...
- Publication number 20020027495
- Publication date Mar 7, 2002
- GE Harris Railway Electronics, L.L.C.
- Albert Donald Darby
- B61 - RAILWAYS