4. Communications: electrical
  5. Traffic control indicator
  6. Traffic control or local controller failure indicator

Dennis N. Wys

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Fail-safe stop light apparatus

Communications: electrical – Traffic control indicator – Traffic control or local controller failure indicator
Patent

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Retention of an actuating spring in a one-way clutch or brake

192 clutches and power-stop control – Clutches – Automatic
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1799153

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