4. Communications: electrical
  5. Selective
  6. Having indication or alarm

Joseph J. Kopera, Jr.

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Power supply polarity reversal protection circuit

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific quantity comparison means
Patent

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Solid state sequence logic circuit

Communications: electrical – Selective – Having indication or alarm
Patent

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Profile ID: LFUS-PAI-P-1262721

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