4. Measuring and testing
  5. Vibration
  6. By mechanical waves

Robert J. Filkins

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Method and apparatus for generating specific frequency...

Measuring and testing – Vibration – By mechanical waves
Reexamination Certificate

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Method and apparatus for using a two-wave mixing ultrasonic...

Optics: measuring and testing – By light interference – For dimensional measurement
Reexamination Certificate

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Method to characterize material using mathematical...

Data processing: measuring – calibrating – or testing – Measurement system in a specific environment – Mechanical measurement system
Reexamination Certificate

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Method to optimize generation of ultrasound using...

Data processing: structural design – modeling – simulation – and em – Electrical analog simulator – Of physical phenomenon
Reexamination Certificate

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System and method for classification of defects in a...

Measuring and testing – Vibration – By mechanical waves
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Profile ID: LFUS-PAI-P-2112437

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