4. Electricity: measuring and testing
  5. Plural, automatically sequential tests

Roger B. Fell

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Digital voltmeter

Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Plural ranges – scales or registration rates
Patent

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Rotatable lead introducer

Surgery: light – thermal – and electrical application – Light – thermal – and electrical application – Electrical energy applicator
Reexamination Certificate

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Rotatable lead introducer

Surgery – Instruments – Electrode guide means
Reexamination Certificate

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Soldering iron testing apparatus

Electricity: measuring and testing – Plural – automatically sequential tests
Patent

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Temperature sensor

Measuring – testing – or signalling instruments – Measuring – regulating or indicating instrument – or casing – Temperature – humidity – atmospheric condition
Patent

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Profile ID: LFUS-PAI-P-550439

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