4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Ophthalmic lenses or blanks

Paul Feneberg

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Apparatus for working the marginal zones of a lens

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Method for the production of silicone elastomer-containing artic

Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Utilizing plasma – electric – electromagnetic – particulate – or...
Patent

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Method for working the marginal zones of a lens

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

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Process for making a die punch

Metal tools and implements – making – Blank or process – Die
Patent

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Process for the production of hydrophilic surfaces on silicon el

Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent

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Profile ID: LFUS-PAI-P-247103

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