4. Abrasive tool making process, material, or composition
  5. Impregnating or coating an abrasive tool

Benjamin Nuchman

Inventor

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Apparatus for manufacturing lenses

Abrasive tool making process – material – or composition – Impregnating or coating an abrasive tool
Patent

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Continuously variable contact lens

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

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Profile ID: LFUS-PAI-P-244804

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