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

Jeffery W. Smith

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Apparatus for and method of testing visual acuity

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

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Mats for use in paved surfaces

Road structure – process – or apparatus – Pavement – Including bed
Reexamination Certificate

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Multiple valve manifold with plural power supplies

Fluid handling – Systems – With flow control means for branched passages
Patent

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Profile ID: LFUS-PAI-P-1358320

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