4. Telephonic communications
  5. Emergency or alarm communications
  6. Central office responsive to emergency call or alarm

David E. Petersen

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Locomotive engine restart shutdown override system and method

Data processing: vehicles – navigation – and relative location – Vehicle control – guidance – operation – or indication – Railway vehicle
Reexamination Certificate

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Locomotive hand brake alarm

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Reexamination Certificate

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Personal emergency response communications system

Telephonic communications – Emergency or alarm communications – Central office responsive to emergency call or alarm
Patent

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Profile ID: LFUS-PAI-P-68150

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