4. Radiant energy
  5. Invisible radiant energy responsive electric signalling
  6. Infrared responsive

Amitava Gupta

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Achromatic ophthalmic lenses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Patent

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Advanced electro-active optic device

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
Reexamination Certificate

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Apparatus for automated ophthalmic lens fabrication

Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to apply stress to preform and uniting in stressed...
Reexamination Certificate

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Broadband optical radiation detector

Radiant energy – Invisible radiant energy responsive electric signalling – Infrared responsive
Patent

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Composite lenses

Stock material or miscellaneous articles – Composite – Of polycarbonate
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Profile ID: LFUS-PAI-P-308908

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