4. Optics: eye examining, vision testing and correcting
  5. Eye examining or testing instrument
  6. Objective type

Leonid I. Beresnev

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High-resolution retina imaging and eye aberration...

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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High-resolution retina imaging and eye aberration...

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Reexamination Certificate

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Wavefront phase sensors using optically or electrically...

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2663923

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