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

James F. Flack

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Ergonomic systems and methods for operating computers

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

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Ergonomic systems and methods for operating computers

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

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Fixed cursor

Computer graphics processing and selective visual display system – Display peripheral interface input device – Cursor mark position control device
Reexamination Certificate

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Ideal visual ergonomic system for computer users

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

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Intuitive control of portable data displays

Computer graphics processing and selective visual display system – Image superposition by optical means – Operator body-mounted heads-up display
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1706319

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