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Thin stepped tulip lens

Optical: systems and elements – Lens – With multipart element
Reexamination Certificate

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Thin-type spherical lens

Optical: systems and elements – Lens – With multipart element
Reexamination Certificate

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UV-curable Fresnel lens resin composition, Fresnel lens, and bac

Optical: systems and elements – Lens – With multipart element
Patent

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UV-curable fresnel lens resin composition, fresnel lens, and bac

Optical: systems and elements – Lens – With multipart element
Patent

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Variable Fresnel type structures and process

Optical: systems and elements – Lens – With multipart element
Reexamination Certificate

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Vehicle window providing multiple operator viewing angles

Optical: systems and elements – Lens – With multipart element
Reexamination Certificate

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Viewing aid for doors and windows

Optical: systems and elements – Lens – With multipart element
Reexamination Certificate

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Wide-angle lens

Optical: systems and elements – Lens – With multipart element
Patent

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Working method of die for use for Fresnel lens, cutting tool...

Optical: systems and elements – Lens – With multipart element
Reexamination Certificate

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Zoom lens

Optical: systems and elements – Lens – With multipart element
Patent

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