4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. With or including a luminophor

Roger H. Tancrell

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Correlation speed sensor

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination
Reexamination Certificate

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Correlation speed sensor

Communications – electrical: acoustic wave systems and devices – Echo systems – Speed determination
Reexamination Certificate

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Fresnel focussed imaging system

Measuring and testing – Vibration – By mechanical waves
Patent

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Fresnel focussed imaging system

Measuring and testing – Vibration – By mechanical waves
Patent

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Fresnel focussed imaging system

Measuring and testing – Vibration – By mechanical waves
Patent

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Profile ID: LFUS-PAI-P-259004

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