4. Data processing: measuring, calibrating, or testing
  5. Measurement system in a specific environment
  6. Electrical signal parameter measurement system

John Raymond Krahn

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Hydrophobicity imparting particulate

Stock material or miscellaneous articles – Composite – Of epoxy ether
Reexamination Certificate

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Material for improved sensitivity of stray field electrodes

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate

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Method and apparatus for evaluation of insulation in...

Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – For fault location
Reexamination Certificate

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Method for determining the presence of water in materials

Electricity: measuring and testing – Impedance – admittance or other quantities representative of... – Lumped type parameters
Patent

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Method for determining wear and other characteristics of...

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

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Profile ID: LFUS-PAI-P-781923

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