4. Plastic and nonmetallic article shaping or treating: processes
  5. Optical article shaping or treating
  6. Composite or multiple layer

John Scrivener

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Method of manufacturing a segmented multifocal ophthalmic lens

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Composite or multiple layer
Patent

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Segmented multifocal contact lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks
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Profile ID: LFUS-PAI-P-533823

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