4. Optical: systems and elements
  5. Lens
  6. With viewed object or viewed field illumination
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Place keeper for line magnifier

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Patent

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Point-of-purchase display

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Reexamination Certificate

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Portable display device

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Patent

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Portable magnifier for hand-held portable electronic device

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Reexamination Certificate

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Portable reading magnifier

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Reexamination Certificate

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Power lens

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Patent

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Power lens

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Reexamination Certificate

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Push and pull operated reading lens

Optical: systems and elements – Lens – With viewed object or viewed field illumination
Reexamination Certificate

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