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

Stephen A. Burns

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Coaxial spatially resolved refractometer

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

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Coaxial spatially resolved refractometer

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

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Imaging apparatus and methods for near simultaneous...

Surgery – Diagnostic testing – Detecting nuclear – electromagnetic – or ultrasonic radiation
Reexamination Certificate

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Methods and apparatus for measurement and correction of...

Optics: measuring and testing – Lens or reflective image former testing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1050730

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