4. Education and demonstration
  5. Question or problem eliciting response
  6. Response of plural examinees communicated to monitor or...

Christian J. Grund

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Field widening lens

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate

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Flash LADAR system

Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate

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Interactive educational system and method

Education and demonstration – Question or problem eliciting response – Response of plural examinees communicated to monitor or...
Patent

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Optical autocovariance lidar

Optics: measuring and testing – Range or remote distance finding – With photodetection
Reexamination Certificate

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Self-mixing sensor apparatus and method

Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Reexamination Certificate

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Profile ID: LFUS-PAI-P-422672

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