4. Photography and optical equipment
  5. Ophthalmic article
  6. Eyeglasses, eyewear, or frame therefor

Donald John Janeczko

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Enhanced night vision device

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Patent

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Enhanced night vision goggle

Photography and optical equipment – Ophthalmic article – Eyeglasses – eyewear – or frame therefor
Patent

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Planar diffractive relay

Optical: systems and elements – Single channel simultaneously to or from plural channels – By partial reflection at beam splitting or combining surface
Reexamination Certificate

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Profile ID: LFUS-PAI-P-342020

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