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

Robert McKnight

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Methods and systems for modulating acoustic energy delivery

Chemical apparatus and process disinfecting – deodorizing – preser – Shock or sound wave – Including supersonic or ultrasonic energy generation means
Reexamination Certificate

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Visual acuity tester

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type
Patent

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Profile ID: LFUS-PAI-P-1653022

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