4. Communications: electrical
  5. Systems
  6. Selsyn type

William C. Murr

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Automatic visual field mapping apparatus

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent

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Color vision perception testing device

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent

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Eye attention monitor

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding
Patent

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Method and apparatus for uniform background in visual field test

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

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Remote power cost display system

Communications: electrical – Systems – Selsyn type
Patent

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Profile ID: LFUS-PAI-P-617612

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