4. Plastic and nonmetallic article shaping or treating: processes
  5. Optical article shaping or treating
  6. Nonmechanical aftertreatment

Praful Doshi

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Contact lens

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

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Method for tinting hydrophilic plastic articles

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Nonmechanical aftertreatment
Patent

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Tinted lenses and methods of manufacture

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

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Tinted lenses and methods of manufacture

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

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Tinted lenses and methods of manufacture

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

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Profile ID: LFUS-PAI-P-668068

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