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Apparatus for measuring engine timing independent of speed

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring frequency modulation noise signals havin

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring harmonic distortion in a conductor, and

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring high frequency currents

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Magnetic saturation
Reexamination Certificate

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Apparatus for measuring insulation resistance in an operating th

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring low currents with high dynamics

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With amplifier or space discharge device
Patent

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Apparatus for measuring noise factor and available gain

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring output DC current of rectifier devices

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Polyphase
Patent

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Apparatus for measuring parasitic capacitance and inductance...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Reexamination Certificate

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Apparatus for measuring parasitic capacitance and inductance...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Reexamination Certificate

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Apparatus for measuring parasitic capacitance and inductance...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Reexamination Certificate

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Apparatus for measuring parasitic capacitance and inductance...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Reexamination Certificate

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Apparatus for measuring phase, amplitude and frequency character

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring Q-quality of oscillatory circuit compone

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring quantity of AC electricity

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural inputs
Patent

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Apparatus for measuring spark plug gap spacing

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring the current-voltage characteristics of a

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – With rotor
Patent

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Apparatus for measuring the direction and relative position betw

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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Apparatus for measuring the duty cycle of a high speed...

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se
Reexamination Certificate

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Apparatus for measuring the dwell of an automotive ignition syst

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent

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