4. Electricity: measuring and testing
  5. Electrical speed measuring

John V. Westberg

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Automotive gauge housing

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Dial gauge or meter
Patent

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Dual range tachometer

Electricity: measuring and testing – Electrical speed measuring – Including speed-related frequency generator
Reexamination Certificate

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High performance tachometer

Electricity: measuring and testing – Electrical speed measuring
Patent

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High performance tachometer having a shift indicator system with

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
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High performance tachometer with automatic triggering

Electricity: measuring and testing – Electrical speed measuring
Patent

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Profile ID: LFUS-PAI-P-1479842

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