4. Electricity: circuit makers and breakers
  5. Special application
  6. Indicating instrument

James R. Francisco

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Adjustable hall effect switch gauge

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Adjustable set point signalling gauge

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Hall effect signalling gauge

Communications: electrical – Condition responsive indicating system – Specific condition
Patent

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Self-cleaning electrical contact for gages

Electricity: circuit makers and breakers – Special application – Indicating instrument
Patent

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Profile ID: LFUS-PAI-P-562328

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