4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Combined

Scott P. McManigal

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Retractable headrest

Chairs and seats – Headrest – Angularly movable about horizontal axis
Reexamination Certificate

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Retractable headrest

Chairs and seats – Headrest – Angularly movable about horizontal axis
Reexamination Certificate

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Stereo speakers mounted on head

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

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Profile ID: LFUS-PAI-P-1003757

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