4. Optics: measuring and testing
  5. By polarized light examination

Brian L. Heffner

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Acousto-optic bragg cell

Patent

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Articulated nose bridge for head mounted display

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Nose pads or cushions
Patent

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Autoalignment and autofocus mechanism for coupling light...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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Autoalignment and autofocus mechanism for coupling light...

Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Reexamination Certificate

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GT decoder having bandwidth control for ISI compensation

Optical communications – Receiver
Reexamination Certificate

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Profile ID: LFUS-PAI-P-667765

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